HIỆN TẠI ĐƠN
I speak English at home.
He speaks English at
HIỆN TẠI HOÀN THÀNH
Man has walked on the Moon.
Our son has learned how to read.
QUÁ KHỨ ĐƠN
He visited his parents every weekend.
She went home every Friday
QUA KHỨ HOÀN THÀNH
I met them after they had divorced.
An idea occurred to him that she herself had helped him very much in the everyday life
TƯƠNG LAI ĐƠN
We will see what we can do to help you.
People will not go to Jupiter before 22nd century.
HIỆN TAJI HOÀN THÀNH TIẾP DIỄN
I am not listening to music at the moment
My sister isn’t working now
QUA KHỨ TIẾP DIỄN
When my sister got there, it was 8 p.m
I was listening to the news when she phoned