根据要求进行句型转换。
1. This is a knife. (改为复数形式) ______ ______ ________.
2. Sam was so tired that he couldn’t walk farther. (改写句子后,与原句保持意思一致)
Sam was ______ _______ _______ walk farther.
3. Wei Hua does well in English. (改写句子后与原句保持意思一致。)
Wei Hua is ____ ______ English.
4. Mr Green is going to teach us maths.
He is not going to teach us English. (改写成一句)
Mr Green is going to teach us maths _______ _______ English.
5. They had lunch at school, _____ _______? (完成反意疑问句)
6. The monkeys are very clever. (改为感叹句)_____________ ________ the monkeys are!
7. It’s about four hundred metres from my home to the nearest post office. (对划线部分提问)
____________ ______ ________ ___________ from your home to the nearest post office?