陈述句变为否定句和一般疑问句的规则:句式方法否定句1
在 be 动词、情态动词、助动词的后面直接加 not am I am a teacher
I am not a teacher
is She is a student
She isn’t a teacher
1)be are They are from Shanghai
They aren’t from Shanghai
was Tom was born in Guangzhou
Tom wasn’t born in Guangzhou
Were There were thirty apples in box last night
There weren’t thirty apples in box night
can Tom can swim
_________________ ____ could will2)情态动词 wouldshallshould, mustmay have They have finished their homework
3)助动词 ______________________ ___________ has Tom has handed in his homework
___________ ______________ 2
在实义动词前加 don’t/ doesn’t/ didn’t,动词变回原形
I like Maths
I don’t like Maths
Tom washes his clothes by himself
__________ _______ ____They had bread for breakfast this morning
________________ ____ I have some story –books
_______