| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [verb] a [adj] understanding of | 10 |
|
| 2 | have have a [adj] understanding of | 5 |
|
| 3 | have [verb] a [adj] understanding of | 5 |
|
| 4 | have [vb pp] a [adj] understanding of | 5 |
|
| 5 | have [to-vb] a [adj] understanding of | 5 |
|
