| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if they [modal v] [verb] [noun pl] | 22 |
|
| 2 | if they [vb mod] [verb] [noun pl] | 22 |
|
| 3 | if they [modal v] [vb infin] [noun pl] | 22 |
|
| 4 | if they can [verb] [noun pl] | 12 |
|
| 5 | if they can [verb] [noun pl] | 12 |
|
