Exercise 1

1 had,2 gave,3 made,4 have,5 had,6 have,7 have,8 made

Exercise 2

Extract1 d,Extract2 g, Extract3 h,Extract4 c,Extract5 f,Extract6 b,

Extract7 a, Extract8 e

Exercise 3

2,3,6,9,10

Exercise 4

1 don't you, 2 doesn't she, 3 am I, 4 did we, 5 don't you, 6 did he,

7 are they, 8 weren't we, 9 am I, 10 does he 

Exercise 5

1 sure,2 unsure,3 unsure,4 sure,5 sure,6 unsure,7 unsure, 8 sure,

9 unsure, 10 sure

Exercise 6

1 chat,2 gossip,3 debate,4 talk,5 lecture,6 argument,7 speech,8 discussion