| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] is [verb] [prep] [be] | 139 |
|
| 2 | if [ex0] is [prep] [be] | 81 |
|
| 3 | if [ex0] [verb] [prep] [be] | 23 |
|
| 4 | if [ex0] is [verb] [prep] | 13 |
|
