| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [to-vb] [conj] | 1318 |
|
| 2 | who is [to-vb] | 160 |
|
| 3 | who is [conj] | 34 |
|
| 4 | who [to-vb] [conj] | 27 |
|
