Write these sentences with Present perfect tense in negative, positive and question

Ex 4. Write these sentences with Present perfect tense in negative, positive and question
1. He has lived here for three years.
(-)_____________________________________
(?)    __________________________________
2.(+) __________________________________
(-) We haven’t been here for two weeks.
(?)    __________________________________
3.(+) __________________________________
    (-)_____________________________________
(?) Have they missed the train?
4. I have had breakfast this morning.
(-)_____________________________________
(?)_____________________________________
5.(+) __________________________________
    She hasn’t passed the exam.
    (?)_____________________________________
6.(+) __________________________________
    (-)_____________________________________
    Have you met his mother?
7. We have eaten too much chocolate.
    (-)_____________________________________
    (?)_____________________________________
8.(+) __________________________________
    I haven’t known David for ten years.
   (?)_____________________________________
9.(+) __________________________________
    (-)_____________________________________
    Has she read the book?
Ex 5. Make questions for the sentences below in the present perfect tense.
1. She/ be/ late for a meeting?
                                                                                                                                 ?
2. He/ meet/ your family  yet?
                                                                                                                                 ?
3. She/ work/ in this company for fifteen years?
                                                                                                                                 ?
4. How long/ she / live in London?
                                                                                                                                 ?
5.How much coffee / you / drink today?
                                                                                                                                 ?
6.What / you / do today?
                                                                                                                              ?
7.How many books / you / read this week?
                                                                                                                                  ?
8.Why / you / bring that?
                                                                                                                                 ?                                                                                  
9.They / go / to the USA?
                                                                                                                                 ?
10.How much food / you / buy?
                                                                                                                     ?