| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [adv prt] [noun] | 983 |
|
| 2 | [vb mod] [vb infin] [adv prt] [noun] | 983 |
|
| 3 | could [vb infin] [adv] [noun] | 254 |
|
| 4 | could [verb] [adv prt] [noun] | 137 |
|
| 5 | could [vb infin] [adv prt] [noun] | 135 |
|
