Утвердительная форма:
-в ед.числе: was+ing
например;
-I was writing
-He was doing
Отрицательная форма:
-в ед. числе:was not +ing
например:
-I was not writing
-He was not going
Вопросительная форма:
-в ед.числе: was+подлежащее+ing
например:
-Was i writing?
-Was he doing?
1)1;2)4;3)1;4)3;5)1;6)2;7)1;8)3;9)1;10)2;11)3;12)4;13)2
Возьми залезть в переводчик и все
A have been reading, haven't finished
b has known
c have been playing
d has written
e has been working
f have done
g has been cooking
h have been touring, have visited
i has been waiting, hasn't come