| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been no need | 26 |
|
| 2 | have been no need | 26 |
|
| 3 | had been no need | 10 |
|
| 4 | have been no need | 7 |
|
| 5 | has been no need | 5 |
|
