| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [adv prt] [prep] [art] | 381 |
|
| 2 | [vb infin] [adv prt] [prep] [art] long | 26 |
|
| 3 | could [vb infin] [prep] [art] long | 6 |
|
