| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [det] [verb] [vb infin] | 22 |
|
| 2 | if [det] do [vb infin] | 22 |
|
| 3 | if [det] does [vb infin] | 17 |
|
| 4 | if [det] [vb -s] [vb infin] | 17 |
|
| 5 | if this [verb] [vb infin] | 16 |
|
| 6 | if [det] [verb] happen | 6 |
|
