| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [be] used for | 280 |
|
| 2 | only [be] used [prep] | 154 |
|
| 3 | only [be] [verb] for | 134 |
|
| 4 | only [be] [vb pp] for | 115 |
|
| 5 | only [be] use for | 38 |
|
