The Grammaring Guide to English Grammar with Exercises

Revision questions: conditionals and unreal tenses

When can if be replaced with when in conditional sentences?

What is the difference between a real and an unreal situation?

What is the difference between real and unreal tenses?

Which modals can we use in the main clauses of sentences in the different types of conditionals?

Can we use the modals will or would in the if-clause?

Why is the sentence If I lied to my parents, they would punish me ambiguous?

Which types of conditionals can be mixed?

What is the difference between if and in case?

Which modals can we use in the different types of conditionals to express that a condition is less likely?

When can we invert the subject and auxiliary in the if-clause?

What is common in sentences introduced with I wish... and the second and third conditionals?

What does wish + would express?

When is as if / as though followed by a real tense?