| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [vb infin] a [noun sg] [noun sg] | 43 |
|
| 2 | could not [vb infin] a [noun sg] [noun sg] | 39 |
|
| 3 | could n't [vb infin] a [noun sg] [noun sg] | 27 |
|
| 4 | could not [vb infin] a [noun sg] [noun sg] | 16 |
|
| 5 | could not get a [noun sg] [noun sg] | 6 |
|
