Công thức:

+HTĐ:S+V/Vs/Ves...

+TLĐ:S+Will+Vinf...

+HTHT:S+have/has+V3/Ved...

+QKĐ:S+Ved/V2....

S+was/were+....

+HTTD:S+is/am/are+Ving

I (wait) have waited for you for the past hour! What (you do)did you do all this time?

Hello, Pat. I (phone) phone to ask if you (do) do anything this Saturday.

Hurry up! I (think) am thinking you (be) are ready by now.

Just as I (leave)leave home for school the telephone (ring)rings

Stay in the house and wait till you get a phone call from home. He (tell)will tell you where to look for her.

I (do)did my homework when my mother (send)sent me to the chemist with the prescription she ( give)gave by the doctor.

By the end of this month, I hope, I (write)have written 200 pages of my new novel.

She (be)was here but she (go)is going down with flu.

#hoidap247