| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [conj] [pron] is | 1644 |
|
| 2 | [conj] [pron] is [to-vb] | 587 |
|
| 3 | [vb infin] [pron] is [to-vb] | 17 |
|
