| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [det] a [noun sg] | 5978 |
|
| 2 | heard [prep] a [noun sg] | 116 |
|
| 3 | heard [prep] [det] [noun sg] | 83 |
|
| 4 | heard [prep] [det] a | 24 |
|
| 5 | heard [det] a [noun sg] | 16 |
|
