2、见到some 变否定句时,要换成any. 【例】I eat some apples. 否定句 I don't eat any apples. He has some books. 否定句 He doesn't have any books. He does his home work. 否定句 He doesn't do his home work. 3、见到and 变否定句时,要换成or. 【例】There is some air and water on the moon. 否定句 There isn't any air or water on the moon. He has some brothers and sisters. 否定句 He hasn't any brothers or sisters. He eats apples and oranges. 否定句He doesn’t eat apples or oranges. 4、见到too和also变否定句时,要换成either. too和also用于肯定句中时,否定句中用either替换。 【例】Tom goes to school too. 否定句 Tom doesn’t go to school either. 5、a lot of (=lots of)变为many或much。 【例】They have a lot of friends.(可数名词) 否定句They don't have many friends. There is lots of orange in the bottle.(不可数名词) 否定句There isn't much orange in the bottle. 6、见到already变否定句时,要换成yet。 【例】He has had supper already. 否定句 He hasn’t had supper yet. (责任编辑:admin) |