| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if they [vb past] [verb] | 717 |
|
| 2 | they [vb past] [verb] [det] | 655 |
|
| 3 | if they [verb] [det] | 290 |
|
| 4 | if they [vb past] [det] | 118 |
|
