| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not have [to-vb] about [noun sg] | 16 |
|
| 2 | not have to worry about [noun sg] | 16 |
|
| 3 | n't have [to-vb] about [noun sg] | 13 |
|
| 4 | not have [to-vb] about [noun sg] | 12 |
|
