| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] not [vb infin] [adv prt] [prep] | 1125 |
|
| 2 | [vb mod] not [vb infin] [adv prt] [prep] | 1125 |
|
| 3 | could [adv] [vb infin] [adv prt] [prep] | 435 |
|
| 4 | could not [vb infin] [adv] [prep] | 416 |
|
| 5 | could not [verb] [adv prt] [prep] | 234 |
|
| 6 | could not [vb infin] [adv prt] [prep] | 234 |
|
| 7 | could not [vb infin] [adv prt] [prep] | 234 |
|
