| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] to do [noun] | 47 |
|
| 2 | used to do [noun] | 44 |
|
| 3 | used to do [noun] | 44 |
|
| 4 | [modal v] to do [noun sg] | 27 |
|
| 5 | [modal v] to do [noun pl] | 16 |
|
