Ответ:

Работа 50

1.

1) a

2) c

3) b

4) d

2.

1.  was playing.

2. was doing.

3. wasn't swimming.

4. were having.

3.

1) a

2) b

Работа 51

1.

2) Was а не were

3) wasn't а не not was

2.

1) a

2) c

3) b

4) d

3.

1. were playing.

2. were swimming.

3. wasn't preparing.

4. was writing.

Объяснение:

Вроде всё написала

Ответ:

1.

1-a, 2-c, 3-b, 4-d

2.

1)was playing

2)was doing

3) wasn't swimming

4)were having

3.

1)a

2)b