| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i have [adv] heard a | 17 |
|
| 2 | i have never hear a | 14 |
|
| 3 | i 've [adv] hear a | 8 |
|
| 4 | i have [adv] hear a | 8 |
|
