Ответ:

1. 1 have watched

2 have lost

3 has written

4 has eaten

5 has studied

2. 1 haven't done

2 hasn't won

3 haven't seen

4 haven't invited

5 haven't tidied

6 haven't finished

3. I have been to Britain several times.

2 She has lived in Spain since 1994.

3 They have been married for five years.

4 I have already made coffee for you.

5 Bob has never had a bike.

Объяснение:

Present Perfect :

I, we, you, they + have (not) + V3

He, she, it + has (not) + V3