| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [adv prt] to | 32 |
|
| 2 | could be [adv] to | 32 |
|
| 3 | could be [adv] to | 32 |
|
| 4 | could be up to | 26 |
|
| 5 | could be up to | 26 |
|
