‌小升初英语句子变换‌是指将一个句子按照一定的规则转换成另一种形式的过程，主要包括肯定句改否定句和肯定句改一般疑问句两种类型。

1. ‌在be动词后加not‌：如is not, are not, am not。
2. ‌在情态动词后加not‌：如cannot, should not, will not。
3. ‌在动词前加助动词否定形式‌：如don’t, doesn’t, didn’t。
4. ‌将some改为any‌：如I am a girl. → I am not a girl. You are a student. → You are not a student. → You aren’t a student. This is Tom’s bag. → This is not Tom’s bag. → This isn’t Tom’s bag‌。

1. ‌将be动词放在句首，剩下的照抄‌：如I am in Class 6. → Are you in Class 6? You are from America. → Are you from America? It is an orange. → Is it an orange?
2. ‌将情态动词放在句首，剩下的照抄‌：如You can swim. → Can you swim? He shall go to school. → Shall he go to school?
3. ‌借助助动词Do/Does/Did帮忙‌：如He likes apples. → Does he like apples? They did their homework. → Did they do their homework?

• ‌句首的第一个字母要大写‌。
• ‌句尾标点应为问号‌。
• ‌肯定回答用yes，否定回答用no‌。语句顺序为：Yes + 主语 + am/is/are/was/were/can/do/does/did；No + 主语 + am not/isn’t/aren’t/wasn’t/weren’t/cannot/don’t/doesn’t/didn’t‌。