| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] i must | 187 |
|
| 2 | think i must | 72 |
|
| 3 | feel i must | 35 |
|
| 4 | suppose i must | 31 |
|
| 5 | know i must | 10 |
|
| 6 | mean i must | 9 |
|
| 7 | say i must | 8 |
|
