Hiện tại đơn:
*Cách nhận biết: Always, often, usually, some time, some ,any.
KĐ: I/ am/ you/ they+V
She/ he/ it+Vs/es
PĐ: S+don't
does't+V
NV: Do/ does+S+V
+,S+V(s/es)+.............
-,S+do/does+not+V+.............
?,Do/Does+S+V +..............
(+) S+V(s/es)
(-)S+do/does+not+V
(?)Do/Does+S+V