| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [vb infin] [adv] [adv] [conj] | 172 |
|
| 2 | could [vb infin] [adv] [adv] [conj] | 107 |
|
| 3 | could not [vb infin] [adv] [adv] | 64 |
|
| 4 | could not [vb infin] [adv] [conj] | 46 |
|
