B2 English Grammar: The Complete Upper-Intermediate Guide

What Makes B2 Grammar Different from B1?

If you have reached B1 level, you can handle everyday conversations. You can talk about the past, present, and future. You can give opinions and make simple comparisons. But at B2, the game changes.

B2 grammar is not just about knowing more rules. It is about control. At B2, you start using grammar to express subtle differences in meaning, attitude, and tone. You can talk about hypothetical situations, report what other people said, shift focus using the passive voice, and combine ideas in complex sentences.

Here is the key difference: at B1, you learn the structure. At B2, you learn when and why to use each structure. That is the step from textbook English to real, natural English.

Let us explore the most important grammar topics you need to master at B2 level. Each section includes clear explanations and examples you can use in your own speaking and writing.

Conditionals: Zero, First, Second, Third (and Mixed)

Conditionals are sentences with "if" that talk about possible or imaginary situations. At B2, you need all four main types plus mixed conditionals. Here is how they work.

Zero Conditional: General Truths

Use it for facts that are always true. Structure: If + present simple, present simple.

First Conditional: Real Future Possibilities

Use it for real situations that are possible now or in the future. Structure: If + present simple, will + base verb.

Second Conditional: Unreal Present or Future

Use it for imaginary or unlikely situations in the present. Structure: If + past simple, would + base verb.

Note: we use "were" instead of "was" in formal second conditional sentences. "If I were you, I would practice more." This is called the subjunctive.

Third Conditional: Unreal Past

Use it to talk about something that did NOT happen in the past. Structure: If + past perfect, would have + past participle.

Third conditional shows regret or relief about the past. You cannot change the past, but you can imagine a different result.

Mixed Conditionals: Combining Past and Present

Mixed conditionals combine third conditional (past) with second conditional (present). They show how a past situation affects the present.

Mixed conditionals are a clear sign of B2-level grammar control. They allow you to express complex cause-and-effect relationships across time.

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The Passive Voice: When and Why to Use It

The passive voice shifts the focus from who did the action to the action itself. At B1, you know the basic form. At B2, you use it naturally in multiple tenses.

Structure: Subject + be (conjugated) + past participle (+ by + agent, optional).

When to use the passive voice:

• When the agent is unknown: "My phone was stolen." (You do not know who stole it.)
• When the agent is obvious: "The criminal was arrested." (Obviously by police.)
• When the action is more important than the doer: "English is spoken worldwide."
• In formal or academic writing: "The experiment was conducted under controlled conditions."

Common B2 mistake: Overusing the passive voice. In spoken English, active sentences are usually better. Use the passive when you have a reason, not because it sounds "more advanced."

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Reported Speech Made Clear

Reported speech (also called indirect speech) is how you tell someone what another person said. At B2, you need to know the backshift rules and when to change time expressions.

The Backshift Rule

When the reporting verb is past tense (said, told, asked), the verb in the reported clause moves one step back in time.

Key Changes in Reported Speech

• Pronouns change: "I" becomes "he" or "she." "My" becomes "his" or "her."
• Time expressions change: "today" becomes "that day," "now" becomes "then," "tomorrow" becomes "the next day," "yesterday" becomes "the previous day."
• Questions: Reported questions use normal word order, not question word order. "Where do you live?" becomes "She asked where I lived."
• Commands: "Study more!" becomes "He told me to study more." Use "tell + someone + to + verb."

B2 tip: You do NOT always need to backshift if the situation is still true. "The earth is round" can stay as "He said the earth is round" because it is a permanent fact. This flexibility is what B2 control looks like.

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Relative Clauses: Defining vs Non-Defining

Relative clauses give extra information about a noun. At B2, you need to know the difference between defining and non-defining clauses. This distinction changes how you use commas and which relative pronoun to choose.

Defining Relative Clauses (No Commas)

These clauses tell you WHICH person or thing we mean. Without this information, the sentence would not make complete sense.

Non-Defining Relative Clauses (With Commas)

These clauses add extra information. You already know which person or thing we mean. The information is additional, not essential. Always use commas.

Relative Pronoun Quick Guide

B2 rule: You CANNOT use "that" in non-defining relative clauses. "My teacher, that is from Canada" is wrong. It must be "who." Remember: no "that" after a comma.

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B2 Grammar Checklist: 30 Topics to Master

Use this table to track your progress. Tick each topic as you feel confident using it in speaking and writing.

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Advanced Modal Verbs

At B2, you move beyond basic modals (can, must, should) and start using perfect modals to talk about the past. These are essential for expressing deduction, regret, and criticism.

Perfect modals are a clear sign of B2-level English. They let you talk not just about what happened, but about what could have, should have, or might have happened.

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Practice Exercises

Try these exercises to test your understanding. Answers are below.

Exercise 1: Conditionals

Complete the sentences with the correct form of the verb.

1. If I ______ (know) about the test, I would have studied more.
2. If you heat ice, it ______ (melt).
3. If I ______ (be) you, I would take that course.
4. We will miss the flight if we ______ (not hurry).
5. If she had practiced every day, she ______ (pass) the exam.

Exercise 2: Passive Voice

Rewrite these active sentences in the passive voice.

1. Someone stole my laptop. → My laptop ______.
2. The teacher will check the essays. → The essays ______.
3. They have canceled the class. → The class ______.
4. You must complete this form. → This form ______.
5. The company pays the teachers well. → The teachers ______.

Exercise 3: Reported Speech

Change the direct speech to reported speech.

1. "I am studying English." → She said ______.
2. "We will arrive tomorrow." → They said ______.
3. "Have you finished your homework?" → She asked me ______.
4. "Don't open the window." → He told me ______.
5. "I lived in London for five years." → He said ______.

Exercise 4: Relative Clauses

Combine the sentences using a relative clause.

1. I have a teacher. She is from Canada. → The teacher ______.
2. I bought a book. The book was expensive. → The book ______.
3. My friend lives in New York. He is a software engineer. → My friend, ______.
4. That is the school. I studied there for three years. → That is the school ______.

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Best Resources for B2 Grammar Practice

To master B2 grammar, you need good tools. Here are the resources we recommend.

For a deeper understanding of English tenses, read our guide on English tenses explained simply. It covers the tense system from A2 to B2 level.

If you prefer learning with a tutor, we recommend iTalki. Many iTalki teachers specialize in B2 grammar and can give you personalized feedback on your speaking and writing.

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What To Study Next

B2 grammar is a big step, but you can master it with consistent practice. Here is your study plan:

1. Focus on ONE grammar topic at a time from the checklist above.
2. Write 5 original sentences using each new structure.
3. Read English articles and notice how these grammar structures are used.
4. Practice speaking with a tutor who can correct your grammar in real time.
5. When you feel confident with B2 grammar, start preparing for C1 level.