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