| Condition | Verb Form | Example |
|---|---|---|
| After modal (can/may/must) | Base form | can swim |
| After "to" | Base form | wants to go |
| After preposition | V-ing | fond of reading |
| let/make/have + obj | Base form | let him go |
| get + obj | V3 (past participle) | got it repaired |
| had better/would rather | Base form | had better go |
| high time | Past tense | high time we left |
| as if/as though | Past/were | as if he knew |
| used to (habit) | Base form | used to play |
| accustomed to/look forward to | V-ing | look forward to hearing |
| lest...should | should + V1 | lest you should miss |
| The number of | Singular verb | The number is 50 |
| A number of | Plural verb | A number are absent |