Answers 

A1) Has been learning English for

A2) Haven't been/gone sailing for

A3) Since we have had

A4) Have been playing football since

B1) Was being watched by

B2) Is going to be pulled down by

B3) Didn't deserve to be

B4) Are being bought

B5) Is being released from

B6) Has to be cleaned

B7) Was cancelled owing to

B8) Was when he missed

B9) Behaviour of my son

B10) Mustn't be fed by

C1) If you had not helped

C2) you would have brought

C3) My mother wouldn't have moved

C4) If he had bought

C5) She wouldn't have shot

C6) If the journalist had not written

C7) If it had not been so

C8) If he hadn't lent me

D1) Have fallen through

D2) To put up with

D3) Went in for

E1) Must have his flat

E2) May have gone

E3) must have been

E4) Will be not necessary

E5) Can't work – Without wearing

F1) Accused Kevin of puncturing