I don't like that man .his look is dishonest
->...................................................................
Do you like the dress?
He bought it for you yesterday
->..........................................................
this is the first time I have talked to him
-> I haven't.....................................
Noone has seen them for a long time .
->they.......................................................
I don't like that man .his look is dishonest
-> I don't like the man whose look is dishonest.
Do you like the dress?
He bought it for you yesterday
-> It was bought for you by him yesterday.
this is the first time I have talked to him
-> I haven't talked to him before.
Noone has seen them for a long time .
-> They haven't been seen for a long time.