| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [verb] [prep] | 17588 |
|
| 2 | have [been] use [prep] | 869 |
|
| 3 | [verb] [been] use [prep] | 869 |
|
| 4 | [vb past] [been] use [prep] | 162 |
|
| 5 | had [be] use [prep] | 158 |
|
