| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not have to have [art] [adj] | 9 |
|
| 2 | not have to have a [adj] | 8 |
|
| 3 | not have to have a [adj] | 7 |
|
| 4 | n't have to have [art] [adj] | 7 |
|
