| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [be] used for | 280 |
|
| 2 | [adv] [was/were] [verb] for | 80 |
|
| 3 | [adv] [was/were] [vb pp] for | 55 |
|
| 4 | [adv] [was/were] used [prep] | 14 |
|
| 5 | [adv] [was/were] use for | 6 |
|
