Exercise 4:
D, S, D, D, S, S, D, S, S, S, D
Exercise 5:
2: am having 5: are you wearing 8: do you want 11: am looking
3: love 6: never have 9: like 12: are playing
4: looks 7: don't have 10: don't know
Exercise 7:
1: (don't) need 3: (don't) buy 5: (don't) think
2: am (not) wearing 4: (don't) like 6: am (not) thinking