| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [not/n't] always have to | 8 |
|
| 2 | do [not/n't] always have to | 8 |
|
| 3 | does [not/n't] always have to | 7 |
|
| 4 | [vb -s] [not/n't] always have to | 7 |
|
| 5 | [not/n't] always have to be | 8 |
|
| 6 | [not/n't] always have to be | 8 |
|
| 7 | [not/n't] always have to [be] | 8 |
|
| 8 | [not/n't] always have to [be] | 8 |
|
