| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [prep] a [noun sg] | 643 |
|
| 2 | it could [vb infin] a [noun sg] | 70 |
|
| 3 | it [vb infin] [prep] a [noun sg] | 67 |
|
| 4 | it could [vb infin] [prep] a | 53 |
|
| 5 | it could [vb infin] [prep] [noun sg] | 36 |
|
