Question

用 i had 为什么不用 i was

Answer 1

1.描述自身情况当然只能是用主动语态了,不能用被动语态;

2.had been an engineer,这种说法也比较少见,直接用一般过去时或一般现在时就好了...I am/was an engineer就可以拉

3.i was been an engineer.有语病```出现两个BE动词了,修改方法同上