| Form | Example | |
|---|---|---|
| make | active: bare inf · passive: to inf | I saw him leave. |
| get | + object + to + base (persuasion) | We heard her sing the song. |
| perception | see/hear + obj + bare (complete) / -ing (ongoing) | I saw him leaving. |
| help | flexible: bare inf OR to inf | We heard her singing while we cooked. |