| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been used [prep] a | 149 |
|
| 2 | have been use [prep] a | 133 |
|
| 3 | have been use as a | 103 |
|
| 4 | has been use [prep] a | 76 |
|
| 5 | had been use [prep] a | 29 |
|
| 6 | have been use [prep] an | 19 |
|
| 7 | have been use [prep] a | 19 |
|
| 8 | have been use [prep] a | 15 |
|
| 9 | have been use for a | 14 |
|
| 10 | have been use in a | 13 |
|
| 11 | have been use by a | 12 |
|
| 12 | to have been use [prep] a | 6 |
|
| 13 | have been use on a | 6 |
|
