| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [vb infin] had a | 467 |
|
| 2 | [modal v] [vb infin] had a | 467 |
|
| 3 | could [vb infin] [verb] a | 396 |
|
| 4 | could [vb infin] [vb pp] a | 290 |
|
| 5 | could [vb infin] had [art] | 94 |
|
| 6 | could [vb infin] had [art] | 94 |
|
| 7 | could [vb infin] have a | 67 |
|
| 8 | could [vb infin] had a | 64 |
|
| 9 | could [vb infin] had a | 60 |
|
| 10 | could [verb] had a | 60 |
|
