1) she has already done her homework
2)i have just given him mu phone number
3) my friends haven't written me yet
4)he hasn't seen me today
5)i have bought this car
6)she has flown for 6 hours
7)we have known each other for 3 ears
8) they have lived here since 2015
9)her parent just have go to NewYork
10)i have already eaten the soup and now i want a cake