Catatan

1. Simple Present Tense
Simple present tense digunakan untuk menyatakan habitual action atau rintis dan fakta umum.
Rumus: (+) S+V1(s/es).
              (-) S+do/does+not+V1.
              (?) Do/does+S+V1.
Example: + I take a bath twice a day.
                  - I don't take a bath twice a day .
                  ? Do i take a bath twice a day.

2. Simple Past Tense
Simple past tense digunakan untuk menyatakan kejadian yang terjadi pada masa lampau.
Rumus:+ S+V2.
              - S+did+not+V1.
              ? Did+S+V1.
Example: + Winda left her home at 7 o'clock.
                  - Winda didn't leave her home at 7 o'clock.
                  ? Did Winda leave her home at 7 o'clock.
3.Present/Past Continuous Tense
Present/past continuous tense digunakan untui menyatakan kejadian yang sedang berlangsung.
Rumus:+ S+Be+Ving
              - S+Be+not+Ving              
              ? Be+S+Ving
Be=is,am,are,was,were

Example: + I was eating sandwich yesterday.
                  - I wasn't eating sandwich yesterday.
                  ? Was i eating sandwich yesterday.
4.Simple Future Tense
Simple future tense digunakan untuk mengekspresikan kejadian yang belum terjamdi, masih direncanakan atau kejadian dimasa yang akan datang.
Rumus:+ S+Will+V1
           .   - S+Will+not+V1
              ? Will+S+V1.
Example:+ Sindy will go to the market next week.
                 - Sindy will not go to the market next week.
                     ? Will Sindy go to the market next week.
5.Present Perfect  Tense
Present perfect tense digunakan untuk kejadian yang sudah terjadi dan hasilnya masih kita rasa kan.
Rumus:+ S+ Has/Have+V3
              - S+ Has/Have+not+V3
              ? Has/Have+S+V3

Example:+ Evan has finished his english homework
                 - Evan has not finished his english homework
                 ? Has Evan finished his english homework