| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] used by | 148 |
|
| 2 | have be used by | 148 |
|
| 3 | have been used by | 148 |
|
| 4 | has [be] used by | 58 |
|
| 5 | had [be] used by | 34 |
|
| 6 | have [be] used by | 24 |
|
| 7 | have [be] used by | 20 |
|
| 8 | to have [be] used by | 9 |
|
