| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [not/n't] sufficient [adv] [to-vb] | 7 |
|
| 2 | it is [not/n't] sufficient [adv] [verb] | 7 |
|
| 3 | it is [not/n't] sufficient [adv] [verb] | 7 |
|
| 4 | it is not sufficient [adv] [verb] | 6 |
|
| 5 | it is [not/n't] sufficient merely [verb] | 5 |
|
| 6 | it is [not/n't] sufficient merely [verb] | 5 |
|
