| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i could [adv] [vb infin] [verb] [indef pn] | 6 |
|
| 2 | i could [not/n't] [vb infin] [verb] [indef pn] | 5 |
|
| 3 | i could n't [vb infin] [verb] [indef pn] | 5 |
|
| 4 | i could not [vb infin] [verb] [indef pn] | 5 |
|
