牛津英语语法教学现在时与过去时
导语：现在时是表示现在存在的`或经常存在的动作，状态的一种动词形式。过去式是英语语法的一种，表示过去某个时间里发生的动作或状态。下面是牛津英语现在时与过去时的语法介绍，欢迎大家来学习。
一般现在时和一般过去时句型结构的异与同：
一般现在时表示某人某物现在的状态，性质等.eg:
I am a teacher now.
She(He) is a singer.
We / They / You are happy.
一般过去时表示过去时间内某人某物存在的状态，性质等.eg:
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