| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pron] [vb past] [pron] [prep] | 400 |
|
| 2 | [vb base] [pron] [vb past] [pron] [prep] | 183 |
|
| 3 | [vb base] if [pron] [vb past] [pron] | 76 |
|
| 4 | [vb base] if [pron] [vb past] [prep] | 47 |
|
