| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] use [prep] a | 1703 |
|
| 2 | could [be] use [prep] | 370 |
|
| 3 | could [be] [prep] a | 61 |
|
| 4 | could use [prep] a | 8 |
|
