| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] it could [verb] | 81 |
|
| 2 | [vb past] it could [vb infin] | 81 |
|
| 3 | said it could [verb] | 20 |
|
| 4 | [vb past] it could have | 15 |
|
| 5 | [vb past] it could have | 14 |
|
| 6 | believed it could [verb] | 7 |
|
| 7 | knew it could [verb] | 6 |
|
| 8 | thought it could [verb] | 6 |
|
| 9 | felt it could [verb] | 5 |
|
| 10 | [vb past] it could do | 5 |
|
| 11 | [vb past] it could do | 5 |
|
