| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [vb pp] [adv prt] [art] | 32 |
|
| 2 | could have [vb pp] [adv prt] [art] | 31 |
|
| 3 | could [vb infin] [vb pp] up [art] | 20 |
|
| 4 | could [vb infin] [vb pp] [adv prt] the | 17 |
|
| 5 | could [vb infin] [vb pp] [adv prt] the | 17 |
|
| 6 | could [vb infin] [vb pp] [adv prt] a | 15 |
|
| 7 | could [vb infin] [vb pp] [adv prt] a | 15 |
|
