| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what is [vb pp] by [adj] | 30 |
|
| 2 | what is meant [prep] [adj] | 25 |
|
| 3 | what is [vb pp] in [adj] | 18 |
|
| 4 | what is known [prep] [adj] | 16 |
|
| 5 | what is [vb pp] as [adj] | 14 |
|
| 6 | what is [vb pp] about [adj] | 7 |
|
| 7 | what is [vb pp] [prep] other | 5 |
|
| 8 | what is [vb pp] from [adj] | 5 |
|
| 9 | what is required [prep] [adj] | 5 |
|
| 10 | what is [vb pp] of [adj] | 5 |
|
