| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [vb mod] to be | 316 |
|
| 2 | [Wh det] used to [be] | 208 |
|
| 3 | what [vb mod] to [be] | 186 |
|
| 4 | which [vb mod] to [be] | 130 |
|
| 5 | [Wh det] ought to [be] | 107 |
|
