| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be up to | 293 |
|
| 2 | [modal v] be up to | 293 |
|
| 3 | could be up [prep] | 34 |
|
| 4 | could be up [prep] | 34 |
|
| 5 | could be [adv] to | 32 |
|
| 6 | could be up to | 26 |
|
| 7 | could be up to | 26 |
|
| 8 | could [be] up to | 26 |
|
