Headway 5th Advanced, Tense review (active) - 2

There is one mistake. Rewrite the sentence correcting the mistake.

Humans are unique among primates in that they are walking upright.

There is one mistake. Rewrite the sentence correcting the mistake.

It's great to hear from you, Jill. What have you been doing since I've last seen you?

There is one mistake. Rewrite the sentence correcting the mistake.

I hated school. Perhaps I'd have liked it if I was more popular.

There is one mistake. Rewrite the sentence correcting the mistake.

Why haven't you told me that you don't like fruit cake?

There is one mistake. Rewrite the sentence correcting the mistake.

I was going to go to the theatre last night, but then I heard that the performance will be cancelled.

There is one mistake. Rewrite the sentence correcting the mistake.

The forecast said unsettled, so take your umbrella in case it's raining.

There is one mistake. Rewrite the sentence correcting the mistake.

His mother was putting him to bed early because he had been naughty.

There is one mistake. Rewrite the sentence correcting the mistake.

He wasn't thinking of celebrating his retirement, but he's now deciding it's a good idea.

There is one mistake. Rewrite the sentence correcting the mistake.

I won't make your party, I'm afraid - I'll visit my grandmother in Scotland.

There is one mistake. Rewrite the sentence correcting the mistake.

If you're seeing Jane at the weekend, are you inviting her to my party, please?