| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which be require for | 18 |
|
| 2 | which [be] require for | 18 |
|
| 3 | which [be] required for | 18 |
|
| 4 | which [is] require for | 9 |
|
| 5 | which is require for | 9 |
|
| 6 | which are require for | 7 |
|
| 7 | which [am/are] require for | 7 |
|
