| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are [adv] at the heart of | 5 |
|
| 2 | are [adv] at the heart [prep] | 5 |
|
| 3 | are [adv] at the heart [prep] | 5 |
|
| 4 | are [adv] at the heart of | 5 |
|
