| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | think [pron] could [vb infin] | 999 |
|
| 2 | think they [modal v] [vb infin] | 705 |
|
| 3 | [verb] they could [vb infin] | 367 |
|
| 4 | think they could [verb] | 90 |
|
