| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [not/n't] [be] [verb] | 17405 |
|
| 2 | [modal v] [not/n't] [be] [verb] | 17405 |
|
| 3 | need [adv] [be] [verb] | 309 |
|
| 4 | need [not/n't] [be] [verb] | 274 |
|
| 5 | need [not/n't] [be] [verb] | 273 |
|
