| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [vb infin] [adv prt] for [adj] | 6 |
|
| 2 | could [not/n't] [vb infin] [adv prt] for [adj] | 6 |
|
| 3 | could [adv] [vb infin] [adv prt] for [adj] | 6 |
|
