| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] a [noun] | 62681 |
|
| 2 | to do a [noun] | 677 |
|
| 3 | [vb past] to do [noun] | 102 |
|
| 4 | [vb past] to do a | 96 |
|
