| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] cost [adv] [n mass] | 90 |
|
| 2 | could [vb infin] [adv] [n mass] | 29 |
|
| 3 | could [verb] [adv] [n mass] | 29 |
|
| 4 | could cost [adv] [n mass] | 5 |
|
| 5 | could cost [adv] [n mass] | 5 |
|
| 6 | could cost [adv] [noun] | 5 |
|
