| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] be for | 9 |
|
| 2 | is [verb] is for | 9 |
|
| 3 | is [verb] [is] for | 9 |
|
| 4 | is [vb pp] [be] for | 8 |
|
| 5 | is needed [be] for | 5 |
|
| 6 | is need [be] for | 5 |
|
