| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [verb] [vb pp] a [noun] | 860 |
|
| 2 | when they [verb] a [noun] | 174 |
|
| 3 | when they [verb] [vb pp] [noun] | 45 |
|
| 4 | when they [verb] [vb pp] a | 33 |
|
