Regular Verbs
They form their past tenses by adding 'ed/d'.Others are formed by dropping '-y' and adding '-ied'. Examples are:
| Present Tense | Past Tense |
|---|---|
| Accept | Accepted |
| Add | Added |
| Agree | Agreed |
| Swallow | Swallowed |
| Count | Counted |
| Guard | Guarded |
| Happen | Happened |
| Harm | Harmed |
| Interest | Interested |
| Join | Joined |
| Judge | Judged |
| Mine | Mined |
| Move | Moved |
| Mark | Marked |
| Plant | Planted |
| Plant | Planted |
| Study | Studied |
| Reply | Replied |
Irregular Verbs
They form past tense in different ways, and not by adding of 'ed/d' to the word.Some form past tense by changing the vowel, while others do not change at all.
| Present Tense | Past Tense |
|---|---|
| Arise | Arose |
| Breed | Bred |
| Go | Went |
| Know | Knew |
| Put | Put |
| Grow | Grew |
| Run | Ran |
| Write | Wrote |
| Strike | Struck |
| Begin | Begun |
Modal Verbs
Modal verbs are used to express ideas as:- Probability
- Ability
- Permission
- request, Offers and invitations
- Suggestions and obligations
They can be in positive (affirmative) or negative such as:
| Positive (Affirmative) | Negative |
|---|---|
| Can | Cannot (Can't) |
| Should | Should not (Shouldn't) |
| Ought | Ought not |
| Will | Will not (Won't) |
| Could | Could not (couldn't) |
| Might | Might not (mightn't) |
There are many types of verbs including action verbs, compound verbs, auxiliary verbs, helping verbs, linking verbs and more. We will discuss them in other topics.