| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had heard | 1193 |
|
| 2 | 've heard | 1105 |
|
| 3 | have heard | 674 |
|
| 4 | have heard | 432 |
|
| 5 | 'd heard | 338 |
|
| 6 | has heard | 167 |
|
| 7 | having heard | 117 |
|
| 8 | to have heard | 78 |
|
| 9 | 's heard | 25 |
|
| 10 | 've heard | 8 |
|
