câu 1:if we don not protect the enviroment,we will destroy ourselvescâu 2:
câu 2:if she doesn't more hard-working,she will get low marks
câu3:if he doesn't listen to his parent,he will fail.
câu4: they have moived for one hour
câu5:he hasn't cried for ten years
câu6:he hasn't gone abroad before
câu 7:she has driven for 1 mounth
câu 8:we have eaten when started to it rain.
câu 9:nam is watch television
câu 10: i have nottalked to the foreigner
câu 11:no river is the longer than the nile river
câu 12:we might have probably visit japan in th future
câu 13:nga is favourite sport badminton
câu 14:my children are like studying english very much
