| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be used for [adj] | 767 |
|
| 2 | [be] used for [adj] | 767 |
|
| 3 | were [verb] for [adj] | 747 |
|
| 4 | were [vb pp] for [adj] | 635 |
|
| 5 | were used [prep] [adj] | 164 |
|
| 6 | [was/were] used for [adj] | 125 |
|
| 7 | were use for [adj] | 45 |
|
