·         Simple Present Tense

Rumus:

( + ) S + V1

( - ) S + do/does + V1

( ? ) do/does + S + V1

* Usually

* Normally

* Twice a week

* Three times a week

* Every week/ day/month

·         Present Countinious

Rumus:

( + ) S + is,am,are + Ving

( - ) S  + is,am,are + Not + Ving

( ? ) is,am,are  + S + Ving

* Right now/ now

* At this moment

* At this time

·         Simple Past

Rumus:

 ( + )  S + V2

 ( - ) S + did not + V1

 ( ? ) Did +  S + V1

 *Yesterday

* Yesterday afternoon

* Two weeks a go

* Last month/ year

* This morning

·         Past Countinious

Rumus:

( + ) S + was/were + Ving

( - ) S + was/were + Not + Ving

( ? ) was/were + S + Ving

* during

* when/while