| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have heard from | 128 |
|
| 2 | had heard from | 39 |
|
| 3 | 've heard from | 32 |
|
| 4 | have heard from | 30 |
|
| 5 | have heard from | 9 |
|
| 6 | 'd heard from | 8 |
|
| 7 | has heard from | 5 |
|
