一.肯定句、否定句、一般疑问句转化
★解题要点：将肯定句变否定句，在be动词/助动词/情态动词后面加not。
将肯定句变一般疑问句，将be动词/助动词/情态动词提到句首。
★实战演练：
Be动词类型（状态句）
1. He is a good student in my class. (变成否定句)
He _____ ______a good student in my class.
There be 句型
2.There are some students in the classroom.（变成一般疑问句）
______ ______ _______students in the classroom?
3.There are 40 girls in Lily’s class. （对40进行提问）
________________________________________?
4.There is some milk in the bottle. (对some进行提问)
________________________________________?
重点补充：
◆句型转换中，牢记在肯定句中用some，在疑问句和否定句中用any。
◆there be句型be动词保持就近一致原则，牢记下面的例子。
There is an eraser and two pens on the desk.桌子上有一橡皮和两钢笔。
There are two pens and an eraser on the desk. 桌上有两钢笔和一橡皮。
助动词do类型（动作句）
5.You walk to school.(变成否定句)
You ______ _______ to school.
6.He likes to play the piano. (变成否定句)
He ______ ______ to play the piano.
7.She runs very fast.
_____ ______ ______ very fast?
8.They like reading. (变成一般疑问句)
______ _______ _______ reading?
情态动词类型（can、could、should、will等）
9.He can ride a bike. （变成否定句和一般疑问句）
__________________________________________.
10.You should go to school on foot. (变成否定句)
You ______ ______ _______ to school on foot.
11.They will go to America next week. (变成一般疑问句)
______ ______ ______ ______ America next week?
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