Task 1 Ask and answer0 you/ever/see a snake?A: Have you ever seen a snake?B: Yes, I have/ No, I haven't.1 your parents/ever/eat snails?2 your best friend/ever/break/leg?3 your teacher/ever/sing in class?4 you/ever/meet a famous actor?5 your friends/ever/be on a roller coaster?Task 2Write negative sentences.1 I/not see/the dentist I haven’t seen the dentist.2 Ayajan/not move/house yet3 I/not read/any science-fiction books4 the plane/not arrive5 he/not finish/his homeworkTask 3Make sentences in the present perfect using the prompts below, as in the example. Use since or for.1 I/not see/Assel/long timeI haven’t seen Assel for a long time.2 he/not eat/anything/yesterday afternoon3 I/not visit/my grandparents/months4 they/not hear/from Daniar/last summer5 Ainash/not have/a holiday/two yearsTask 4Choose the correct item.1 They haven’t booked their places at the camp already / yet.2 She has for / just come in.3 Enlik has yet / already gone to sleep.4 Have you ever / yet visited Japan?5 It hasn’t rained just / for three weeks.6 Don’t come in here! I’ve just / yet cleaned the floor!7 He hasn’t been to his grandparents’ house already / since last summer.8 Ed has lived in Russia for / since 1995.9 Has Marat left yet / just?10 I haven’t talked to him since / for days.11 Nurlan has ever / never met such friendly people.12 Has Baltabek yet / ever tried snorkelling?​