(1)一般現在時：表示經常、反覆發生的動作或存在的狀態。
We study hard at school every day.
He goes to school by bike.
(2)一般過去時：表示在過去某個時候發生的動作或存在的狀態，也表示在過去某段時間裡經常發生的習慣性動作。
Did you go there last week?
I went to see my uncle yesterday.
(3)一般將來時：表示在將來會發生的動作或存在的`狀態。
Ill come to see you next Sunday.
She is babysitting her sister this weekend.
We are going to Wuhan next Monday.
(4)現在進行時：表示在說話時或現階段正在發生的動作或存在的狀態。
Is she listening to music?
He is having a meeting.
(5)過去進行時：表示在過去某個時間正在發生的動作或存在的狀態。
What was she doing when you came in?
They were watching TV when I went into the room.
(6)現在完成時：表示在說話時剛剛結束的某一動作或狀態。
I have learned English for 5 years.
Have you ever been to Singapore?
