| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [adv] [been] [verb] a | 85 |
|
| 2 | have [not/n't] [been] [verb] a | 49 |
|
| 3 | [verb] [not/n't] [been] [verb] a | 49 |
|
| 4 | has [not/n't] [been] [verb] [art] | 30 |
|
| 5 | has [not/n't] [been] [verb] [art] | 30 |
|
| 6 | has [not/n't] [been] [verb] a | 18 |
|
| 7 | [vb -s] [not/n't] [been] [verb] a | 15 |
|
| 8 | has [not/n't] [be] [verb] a | 14 |
|
