| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i have heard of | 200 |
|
| 2 | i 've hear of | 122 |
|
| 3 | i have hear of | 49 |
|
| 4 | i had hear of | 19 |
|
| 5 | i 'd hear of | 9 |
|
