Regular verbs have a usual ending in their past and past participle forms.
| Present tense | Simple past | Past participles |
| ask | asked | asked |
| earn | earned | earned |
| allow | allowed | allowed |
| collect | collected | collected |
| agree | agreed | agreed |
| move | moved | moved |
| rub | rubbed | rubbed |
| study | studied | studied |
For verbs that end in “e”, we just add “d” to make them past or past participles.
- arrive: arrived, arrived
- bake: baked, baked
- change: changed, changed
- close: closed, closed
In verbs that end in “consonant + vowel + consonant,” we double the last consonant and add “ed.”
- control: controlled, controlled
- grab: grabbed, grabbed
- rub: rubbed, rubbed
- drag: dragged, dragged
For a verb that ends in “y,” we take out the “y” and add “ied” to make it past or past participle.
- study: studied, studied
- worry: worried, worried
- try: tried, tried
