| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [ex0] [prep] [be] | 16 |
|
| 2 | is [ex0] [prep] be | 16 |
|
| 3 | is [ex0] to [be] | 16 |
|
| 4 | is there [prep] [be] | 16 |
|
| 5 | is [ex0] [prep] be | 16 |
|
