| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [vb infin] [noun sg] [prep] | 157 |
|
| 2 | could [pron] [adv] [vb infin] [prep] | 73 |
|
| 3 | [pron] [adv] [vb infin] [noun sg] [prep] | 48 |
|
| 4 | could [pron] [vb infin] [noun sg] [prep] | 31 |
|
| 5 | could [pron] [adv] [vb infin] [noun sg] | 13 |
|
