| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb past] for a [noun sg] | 39 |
|
| 2 | who [vb past] for a [noun sg] | 32 |
|
| 3 | who worked for a [noun sg] | 9 |
|
| 4 | who [vb past] for an [noun sg] | 7 |
|
