| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun pl] have to be | 29 |
|
| 2 | [prep] [noun pl] have to [be] | 29 |
|
| 3 | of [noun pl] have to [be] | 23 |
|
| 4 | of [noun pl] have to [be] | 23 |
|
