(A) 一般现在时:当你看到"usually,everyday,normally..."时:
1.I usually go to the English class at 5:00 p.m.
2.He goes to school everyday.He walks to school every morning.
3.The teacher normally eats her breakfast at home.
(B) 现在进行时 :当你看到 "now..."
1.I am going to the English class now as it is already 5:00 p.m.
2.He is going to the school now.He is walking to the school now.
3.The teacher is eating breakfast at home now.Please don't disturb her.
(C) 过去时态:当你看到" Last week; last month; yestereday; one hour ago..."
1.I went to the English class last week but the teacher did not appear.
2.He went to school by bicycle yesterday.
3.One hour ago he walked to the school.