一、用所给单词的适当形式填空。
1. Don't (play) football here, please.
2. Please (keep) the desk clean.
3. No (swim) here.
4. —Don't (take) toys to the classroom. —OK.
5. (turn) on the lights, please.
6. (be) kind to your classmates.
1. Don't (play) football here, please.
2. Please (keep) the desk clean.
3. No (swim) here.
4. —Don't (take) toys to the classroom. —OK.
5. (turn) on the lights, please.
6. (be) kind to your classmates.
答案
1. play
2. keep
3. swimming
4. take
5. Turn
6. Be
2. keep
3. swimming
4. take
5. Turn
6. Be
解析
这几道题均考查祈使句的相关用法:
1. 否定祈使句的结构为"Don't + 动词原形",所以Don't后直接填所给动词的原形即可;
2. 带please的肯定祈使句,please后面需要接动词原形;
3. 警示类祈使句的固定结构"No + 动名词",表示禁止做某事,需要把动词变为动名词形式;
4. 句首直接引导的肯定祈使句,要使用动词原形,且单词首字母需要大写。
1. 否定祈使句的结构为"Don't + 动词原形",所以Don't后直接填所给动词的原形即可;
2. 带please的肯定祈使句,please后面需要接动词原形;
3. 警示类祈使句的固定结构"No + 动名词",表示禁止做某事,需要把动词变为动名词形式;
4. 句首直接引导的肯定祈使句,要使用动词原形,且单词首字母需要大写。
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