| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | need [not/n't] be [vb pp] to [art] | 19 |
|
| 2 | need [not/n't] be [verb] to [art] | 19 |
|
| 3 | need not be [verb] to [art] | 18 |
|
| 4 | need [not/n't] be [verb] to the | 15 |
|
| 5 | need [not/n't] be confined to [art] | 9 |
|
| 6 | need [not/n't] be confine to [art] | 9 |
|
