| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] think they must be | 9 |
|
| 2 | [pron] think they must be | 9 |
|
| 3 | i think they must be | 5 |
|
| 4 | i think they must be | 5 |
|
| 5 | think they must be [adj] | 5 |
|
