導語：現在時是表示現在存在的`或經常存在的動作，狀態的一種動詞形式。過去式是英語語法的一種，表示過去某個時間裡發生的動作或狀態。下面是牛津英語現在時與過去時的語法介紹，歡迎大家來學習。
一般現在時和一般過去時句型結構的異與同：
一般現在時表示某人某物現在的狀態，性質等:
I am a teacher now.
She(He) is a singer.
We / They / You are happy.
一般過去時表示過去時間內某人某物存在的狀態，性質等:
I was a teacher last year.
She / He was a singer.
We / You / They were happy.
It was a duckling. Now it is a duck.
It was rainy yesterday. It is windy today.
The sofa was under the shelf. Now it is under the window.
1、We___ (be) at home last night.
are
is
was
were
