| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be used for [adj] | 767 |
|
| 2 | be [verb] for [adj -er] | 242 |
|
| 3 | be [vb pp] for [adj -er] | 164 |
|
| 4 | be used [prep] [adj -er] | 52 |
|
| 5 | [be] used for [adj -er] | 15 |
|
| 6 | be use for [adj -er] | 15 |
|
