| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] if [pron] [modal v] [not/n't] | 89 |
|
| 2 | [be] [prep] if [pron] [modal v] | 21 |
|
| 3 | [be] [prep] [pron] [modal v] [not/n't] | 10 |
|
| 4 | [be] if [pron] [modal v] [not/n't] | 9 |
|
