| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [modal v] [not/n't] have to [be] | 7 |
|
| 2 | [noun pl] [modal v] [not/n't] have to be | 7 |
|
| 3 | [noun pl] [modal v] [not/n't] have to be | 7 |
|
| 4 | [noun pl] [modal v] [not/n't] have to [be] | 7 |
|
| 5 | [noun pl] [modal v] [not/n't] have to [be] | 7 |
|
| 6 | [noun pl] [vb mod] [not/n't] have to [be] | 7 |
|
| 7 | [noun pl] [modal v] not have to [be] | 6 |
|
