| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [to-vb] who [pron] [be] | 6 |
|
| 2 | have [to-vb] who [pers pn] [be] | 6 |
|
| 3 | have [to-vb] who [be] [verb] | 5 |
|
| 4 | have [to-vb] who [be] [v-ing] | 5 |
|
