| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [vb infin] [adv prt] [prep] [art] | 79 |
|
| 2 | [modal v] not [vb infin] [adv prt] of [art] | 34 |
|
| 3 | could [adv] [vb infin] [adv prt] of [art] | 15 |
|
| 4 | could not [vb infin] [adv] of [art] | 11 |
|
| 5 | could not [verb] [adv prt] of [art] | 10 |
|
