| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] it is | 2029 |
|
| 2 | [vb infin] it is | 496 |
|
| 3 | [vb base] [vb infin] it | 323 |
|
| 4 | [vb base] [vb infin] is | 117 |
|
