| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there [be] is | 34 |
|
| 2 | [ex0] be is | 34 |
|
| 3 | [ex0] [is] is | 27 |
|
| 4 | [ex0] is is | 18 |
|
| 5 | [ex0] 's is | 9 |
|
