| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] a | 37973 |
|
| 2 | they [modal v] [verb] | 35001 |
|
| 3 | they [verb] a | 9281 |
|
| 4 | they [modal v] a | 15 |
|
