| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if they [modal v] [verb] | 818 |
|
| 2 | if they [modal v] [vb infin] | 815 |
|
| 3 | if [pron] [modal v] help | 268 |
|
| 4 | [conj] they [modal v] help | 68 |
|
| 5 | if they [modal v] help | 21 |
|
