Adverbs of time express the timing of an action.
These adverbs express when or at which time an action is done.
| Mrs. Nancy arrived late for the party. |
| The train has already left. |
| We moved into our new house last week. |
| Mr. David never listens to me. |
| They are coming now. |
| I was waiting at the bus stop until 6 p.m. |
| My brother goes to college in the autumn. |
| It rained heavily last night. |
| Go to bed early. |
| We'll leave as soon as possible. |
| Never tell a lie. |
| Since my birth, I have been keeping this. |
Examples
| I went there yesterday. |
| She is getting married next week. |
Modal auxiliaries Vs Primary auxiliaries
Primary auxiliaries are be, do, have. They are used to form tenses and to frame short answers.
Modal auxiliaries are will, would, may, might, shall, should, can, could, must, dare, need, used, ought. They are used to express moods.