| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] needed [was/were] for | 5 |
|
| 2 | be needed [was/were] for | 5 |
|
| 3 | was needed [was/were] for | 5 |
|
| 4 | [be] needed [was/were] for | 5 |
|
