Поставь вс глаголы в соответствующую отрицательную форму и заполни ими пропуски).
1) They (haven’t / didn’t) seen us yet.
2) She (hasn’t / didn’t) put on her nice dress last night.
3) We (have not / did not) start our hiking yesterday.
4) It’s a pity, but we (have not / did not)made friends.
5) My mum (has not / did not) sunbathe a year ago.
6) My sister (hasn’t / didn’t) met her friend. He is at school now.

1. haven’t

2. didn’t

3. did not

4. have not

5. did not

6. hasn’t

Объяснение:

1) They (haven’t / didn’t) haven't seen us yet.

2) She (hasn’t / didn’t) didn't put on her nice dress last night.

3) We (have not / did not) did not start our hiking yesterday.

4) It’s a pity, but we (have not / did not) have not made friends.

5) My mum (has not / did not) did not sunbathe a year ago.

6) My sister (hasn’t / didn’t) hasn't met her friend. He is at school now.