| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb mod] [be] think | 9 |
|
| 2 | [Wh pn] [vb mod] be think | 9 |
|
| 3 | [Wh pn] [vb mod] [be] thinking | 7 |
|
| 4 | [Wh pn] may [be] think | 5 |
|
