| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have [verb] a pin [verb] | 7 |
|
| 2 | [modal v] have [verb] a pin drop | 7 |
|
| 3 | [modal v] have [vb pp] a pin [verb] | 7 |
|
| 4 | [vb mod] have [verb] a pin [verb] | 7 |
|
| 5 | [modal v] have [verb] a pin drop | 7 |
|
| 6 | [modal v] have [verb] a pin [vb infin] | 7 |
|
| 7 | [modal v] have hear a pin [verb] | 7 |
|
| 8 | [modal v] have heard a pin [verb] | 7 |
|
| 9 | could have [verb] a pin [verb] | 7 |
|
