| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pron] [verb] [prep] a | 679 |
|
| 2 | [pron] could [verb] [prep] a | 577 |
|
| 3 | if [pron] could [verb] [prep] | 257 |
|
| 4 | if [pron] could [verb] a | 199 |
|
