Question

I am doing my best (simple past tense)​

Answer 1

Explanation:

Simply answering 'was' is the simple past tense of 'be' and 'had been' is the past perfect tense of the same verb. When we ...

10 votes

I'm doing - is in the present(now) I have been doing - means now and for some time before ... More

~kuku

Answer 2

Explanation:

I'm doing - is in the present(now) I have been doing - means now and for some time before