更新时间2019-02-26 01:05:26
你好,如果是动词开头的句子,那一定是祈使句。
例如:
1. Let's go together.
2. Don't sleep late at night.
3. Get up early and do some exercises.
句首动词要加 ing 构成动名词,那是要充当句子的主语成分。
例如:
1. Swimming is good to us.
2. Doing homework makes me unhappy.
3. Planting trees makes our environment better.