| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] it is | 2029 |
|
| 2 | it is [that] | 704 |
|
| 3 | [vb base] is [that] | 288 |
|
| 4 | [vb base] it [that] | 97 |
|
