| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [not/n't] for | 397 |
|
| 2 | [is] need for | 160 |
|
| 3 | [is] [not/n't] need | 63 |
|
| 4 | [not/n't] need for | 26 |
|
