| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [adv] | 10651 |
|
| 2 | it [modal v] [adv] | 10651 |
|
| 3 | [pron] could [adv] | 9407 |
|
| 4 | [pers pn] could [adv] | 8090 |
|
| 5 | it could [adv] | 2124 |
|
| 6 | it could [adv] | 1143 |
|
| 7 | it could [adv] | 1143 |
|
