| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [noun sg] ought to be | 27 |
|
| 2 | [det] [noun sg] used to be | 18 |
|
| 3 | that [noun sg] [vb mod] to be | 16 |
|
| 4 | this [noun sg] [vb mod] to be | 16 |
|
