| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [prep] [noun prp] | 1749 |
|
| 2 | who is [prep] | 511 |
|
| 3 | who [prep] [noun prp] | 151 |
|
| 4 | who is [noun prp] | 102 |
|
