| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | heard [prep] a [noun sg] | 122 |
|
| 2 | 've heard a [noun sg] | 20 |
|
| 3 | 've heard [prep] a | 18 |
|
| 4 | 've heard [prep] [noun sg] | 17 |
|
