I must apologise to the woman whose phone I took by mistake.

He must have forgotten about our meeting.

How long have you been studying French?/ How long have you studied French?

She might have forgotten about our meeting.

By the end of June our wedding will have taken place.

Because of nutritional and health crises , many children do not reach their full height.

You needn’t have brought a map.

I have worked/have been working for Starbucks for three years.

The film has just started.

Despite taking a taxi, Anne still arrived late for the concert/Despite the fact that Anne took a taxi, she still arrived late for the concert.

You mustn’t eat chewing-gum in the class.

This woman who I told you about is an excellent comedian/ I told you about this woman who is an excellent comedian.