Ex 1 :
1 . I began learning Chinese two years ago
2 . This is the fattest man that we've ever seen
3 . This is the first time Minh has seen him
4 . She hasn't visited me since September
Ex 2 :
1 . Eat to live, not live to eat
2 . The community organizes this activity once a month
3 . They carry recycled bags to put the rubbish in