| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | need not have [verb] | 123 |
|
| 2 | need not have [vb pp] | 122 |
|
| 3 | [vb mod] not have bothered | 47 |
|
| 4 | [modal v] not have bothered | 47 |
|
| 5 | need not [verb] bothered | 18 |
|
| 6 | need not have bothered | 18 |
|
| 7 | need [adv] have bothered | 18 |
|
| 8 | need not have bother | 18 |
|
