| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what is [verb] as [noun sg] | 29 |
|
| 2 | what is [vb pp] as [noun sg] | 27 |
|
| 3 | what is know as [noun sg] | 13 |
|
| 4 | what is known as [noun sg] | 13 |
|
| 5 | what is seen as [noun sg] | 5 |
|
| 6 | what is see as [noun sg] | 5 |
|
