| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [verb] [to] [vb infin] | 171 |
|
| 2 | [modal v] [verb] [to] [vb infin] | 53 |
|
| 3 | they [modal v] [verb] [vb infin] | 26 |
|
| 4 | they [modal v] [verb] [to] | 9 |
|
