| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] a lot | 94 |
|
| 2 | could do a lot | 21 |
|
| 3 | could learn a lot | 7 |
|
| 4 | could make a lot | 7 |
|
| 5 | could have a lot | 6 |
|
| 6 | could see a lot | 6 |
|
