| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | need be for a | 10 |
|
| 2 | need [be] for a | 10 |
|
| 3 | need [be] for a | 9 |
|
| 4 | need is for a | 9 |
|
| 5 | need [is] for a | 9 |
|
