1、 客观事实和规律
2、 现在的特征或状态
3、 经常的或习惯的动作
4、 主语具备的性格和能力
5、 请注意以下几个三单式
6、 请注意三单式的助动词
The sun rises in the east. /The cat eats fish.
He loves sports./ She is always ready to help others.
I go to school at 7:00 a.m. every day./ She walks her dog every day.
He is polite an helpful./ They don’t know English.
do----> does; go----> goes; have----> has; be----> is;
enjoy----> enjoys; try---->tries; fix----> fixes
Does she come to school on foot? No, she doesn’t walk to school.
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