| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [modal v] [verb] | 35001 |
|
| 2 | if they [verb] | 8870 |
|
| 3 | if they [modal v] | 1475 |
|
| 4 | if [modal v] [verb] | 16 |
|
