Clear explanations, real-world examples, and interactive practice — from beginner to advanced.
Choose the correct option:
I have been to Paris since last year.
Use for with a duration and since with a specific point in time.
I have been to Paris for a year.
For describes duration: for a week, for three years, for a long time.
She is knowing the answer.
Stative verbs like know, believe, and love do not use continuous forms.
She knows the answer.
Use simple present for stative verbs regardless of the moment being described.
If I would have known, I would have told you.
In third conditional if-clauses, use had + past participle, not would have.
If I had known, I would have told you.
Third conditional: If + had + past participle → would have + past participle.