| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if there [is] [prep] | 92 |
|
| 2 | if [ex0] is [prep] | 86 |
|
| 3 | if [ex0] [is] to | 83 |
|
| 4 | if [ex0] 's [prep] | 6 |
|
