| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [not/n't] been [verb] for | 60 |
|
| 2 | has [not/n't] been [vb pp] for | 57 |
|
| 3 | has [adv] been used for | 20 |
|
| 4 | has [not/n't] been used [prep] | 19 |
|
| 5 | has [not/n't] been used [prep] | 19 |
|
| 6 | have [not/n't] been used for | 16 |
|
| 7 | [verb] [not/n't] been used for | 16 |
|
| 8 | [vb -s] [not/n't] been used for | 6 |
|
| 9 | has [not/n't] be used for | 6 |
|
| 10 | has [not/n't] been used for | 6 |
|
| 11 | has [not/n't] been use for | 6 |
|
| 12 | has [not/n't] [been] used for | 6 |
|
| 13 | has [not/n't] [be] used for | 6 |
|
