| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] have a [adj] understanding of | 14 |
|
| 2 | [verb] to have a [adj] understanding of | 11 |
|
| 3 | [vb -s] have a [adj] understanding of | 7 |
|
| 4 | have have a [adj] understanding of | 6 |
|
| 5 | need have a [adj] understanding of | 5 |
|
| 6 | [vb base] have a [adj] understanding of | 5 |
|
