| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not heard [prep] the | 24 |
|
| 2 | [not/n't] heard of the | 21 |
|
| 3 | n't heard [prep] the | 18 |
|
| 4 | [not/n't] heard from the | 10 |
|
