| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [conj] at the heart of | 7 |
|
| 2 | [verb] [that] at the heart of | 7 |
|
| 3 | [verb] [conj] at the heart of | 7 |
|
| 4 | [verb] that at the heart of | 7 |
|
| 5 | [verb] that at the heart of | 7 |
|
