| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] why we [vb mod] | 49 |
|
| 2 | [is] why we [modal v] | 49 |
|
| 3 | [is] why [pron] could | 19 |
|
| 4 | [is] [adv] we could | 7 |
|
| 5 | [is] why we could | 5 |
|
| 6 | [is] why we could | 5 |
|
| 7 | [be] why we could | 5 |
|
| 8 | [is] [Wh adv] we could | 5 |
|
