| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have [verb] [pron] | 1224 |
|
| 2 | could have [vb pp] [pron] | 1217 |
|
| 3 | [vb mod] have thought [pron] | 390 |
|
| 4 | [modal v] have thought [pron] | 390 |
|
| 5 | could [vb infin] thought [pron] | 5 |
|
| 6 | could have thought [pron] | 5 |
|
| 7 | could have thought [pron] | 5 |
|
| 8 | could [verb] thought [pron] | 5 |
|
| 9 | could have think [pron] | 5 |
|
