| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [been] [adj] [verb] a | 30 |
|
| 2 | not [been] [adj] [verb] a | 30 |
|
| 3 | not [been] possible [verb] [art] | 19 |
|
| 4 | not [be] possible [verb] a | 19 |
|
| 5 | not [been] possible [verb] [art] | 19 |
|
| 6 | [adv] [been] possible [verb] a | 9 |
|
| 7 | [not/n't] [been] possible [verb] a | 6 |
|
| 8 | not [been] possible [verb] a | 6 |
|
| 9 | not [been] possible [verb] a | 6 |
|
| 10 | not [been] possible [verb] a | 6 |
|
