| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] a [noun] for [noun] | 560 |
|
| 2 | they [vb past] a [noun] [noun] | 278 |
|
| 3 | they [vb past] a [noun] for | 66 |
|
| 4 | they [vb past] [noun] for [noun] | 34 |
|
