| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] for | 1650 |
|
| 2 | has been [vb pp] for | 1373 |
|
| 3 | has been used [prep] | 312 |
|
| 4 | has been used [prep] | 312 |
|
| 5 | [verb] been used for | 195 |
|
| 6 | have been used for | 195 |
|
| 7 | [vb -s] been used for | 69 |
|
| 8 | has been use for | 63 |
|
| 9 | has [been] used for | 62 |
|
| 10 | has [be] used for | 62 |
|
| 11 | has be used for | 62 |
|
| 12 | has been used for | 62 |
|
