| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] to be [noun pl] | 47 |
|
| 2 | [vb mod] to be [noun pl] | 47 |
|
| 3 | used to be [noun pl] | 38 |
|
| 4 | used to be [noun pl] | 38 |
|
| 5 | ought to be [noun pl] | 8 |
|
| 6 | ought to be [noun pl] | 8 |
|
