1. lan drinks a cup tea
=> A cup of tea is drunk by Lan.
2.i was writing this report
=> This report was being written by me.
3 she often feeds her dog in the morning
=> The dog is often fed by her in the morning
4 many english people speak chinese
=> Chinese is spoken by many English people.
5 they didnt allow their child to drink wine
=> Their child was not allowed to drink wine by them.