`text{EX8 :}`

`text{1.}` I have had already had dinner with my family.

`text{2.}` Have you finish your report yet? You need to bring it to me before 9am.

`text{3.}` I haven't done my homework yet.

`text{4.}` My sister has just left the party.

`text{5.}` Your mother has already told you come home early.

`text{6.}` Has the mouse already gone ?

`text{7.}` I have just met her.

`text{8.}` The painter hasn't finish his work yet.

`text{EX9 :}`

`text{1.}` for

`text{2.}` since

`text{3.}` for

`text{4.}` since

`text{5.}` since

`text{6.}` for

`text{7.}` since

`text{8.}` for

`text{9.}` since

`text{10.}` for