UNIT 9, 9D Grammar, Present perfect (negative and interrogative), page 99
Exercise 1
1 We haven’t had breakfast.
2 Jessica hasn’t finished her homework.
3 Lily and Alfie haven’t seen that film.
4 You haven’t answered my email.
5 It hasn’t stopped snowing.
6 I haven’t done the shopping.
Exercise 2
2 I’ve already read it.
3 He’s already emailed her.
4 They’ve already done it.
5 She’s already phoned him.
6 I’ve already set it.
Exercise 3
3 Sophia hasn’t bought a new mobile phone yet.
4 I haven’t visited Italy yet.
5 You’ve already eaten your breakfast.
6 Mia and William have already arrived at school.
7 We haven’t listened to the news yet.
8 I’ve already phoned my friend Sam.
9 He’s already unloaded the dishwasher.
Exercise 4
2 Have Molly and Fred cleaned the bathroom yet? Yes, they have.
3 Have you changed the beds yet? No, I haven’t.
4 Has Mum done the washing up yet? No, she hasn’t.
5 Has David done the washing yet? Yes, he has.
6 Has Sarah done the ironing yet? Yes, she has.
7 Have Emily and Joe cooked dinner yet? No, they haven’t.