| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [be] [verb] | 13940 |
|
| 2 | who [be] [v-ing] | 6917 |
|
| 3 | [pron] [be] having | 2079 |
|
| 4 | who [be] have | 133 |
|
