Công thức thì hiện tai đơn :
- Khẳng định :
+ I / you / we / they + V
+ he / she / it + V-s / V-es
- Phủ định :
+ I / you / we / they + don't / do not + V
+ he / she / it + doesn't / does not
- Nghi vấn :
+ Do I / you / we / they + V
Yes , I / you / we / they do
No , I / you / we / they don't
+ does he / she / it + V
Yes , he / she / it does
No , he / she / it doesn't
Trạng từ : Always , usually , often , frequently , never , generally , sometimes , .......
