| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] a | 42897 |
|
| 2 | they [modal v] [vb infin] | 33457 |
|
| 3 | they [vb infin] a | 282 |
|
| 4 | they [modal v] a | 17 |
|
