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Grammar — B1
Choose a topic to learn, read the explanation and test yourself.
First and Second Conditionals
Explanation
Exercise 1
Exercise 2
Exercise 3
First conditional, future time clauses
Explanation
Exercise 1
Exercise 2
Exercise 3
For, Since, From: What’s the Difference?
Explanation
Exercise 1
Exercise 2
Exercise 3
Future forms: Will, be going to, present continuous
Explanation
Exercise 1
Exercise 2
Exercise 3
Gerund and infinitive: Do, to do, doing
Explanation
Exercise 1
Exercise 2
Exercise 3
Had better… it’s time
Explanation
Exercise 1
Exercise 2
Exercise 3
Have to, Must, Should Usage
Explanation
Exercise 1
Exercise 2
Exercise 3
Indirect speech / Reported speech
Explanation
Exercise 1
Exercise 2
Exercise 3
Modal verbs of deduction: Must, might, could, can’t
Explanation
Exercise 1
Exercise 2
Exercise 3
Passive verb forms
Explanation
Exercise 1
Exercise 2
Exercise 3
Past simple or present perfect?
Explanation
Exercise 1
Exercise 2
Exercise 3
Past simple, past continuous, past perfect
Explanation
Exercise 1
Exercise 2
Exercise 3
Present perfect simple and present perfect continuous
Explanation
Exercise 1
Exercise 2
Exercise 3
Present simple or present continuous
Explanation
Exercise 1
Exercise 2
Exercise 3
Present Simple Tense or Present Continuous Tense
Explanation
Exercise 1
Exercise 2
Exercise 3
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