| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he [modal v] [verb] a [noun] | 1301 |
|
| 2 | before he [verb] a [noun] | 49 |
|
| 3 | before he [modal v] [verb] [noun] | 26 |
|
| 4 | before he [modal v] [verb] a | 23 |
|
