| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [modal v] a [noun] | 262 |
|
| 2 | when [modal v] [art] [noun] | 73 |
|
| 3 | when [modal v] [art] [noun] | 73 |
|
| 4 | when [modal v] a [noun] | 7 |
|
