| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [adv prt] [prep] [art] | 381 |
|
| 2 | [vb infin] [adv prt] [prep] [art] [det] | 76 |
|
| 3 | could [vb infin] [adv prt] [prep] [det] | 67 |
|
| 4 | could [vb infin] [prep] [art] [det] | 43 |
|
| 5 | could [vb infin] [adv prt] [art] [det] | 13 |
|
