| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [noun sg] is [noun] | 50 |
|
| 2 | what [noun] is [noun sg] | 27 |
|
| 3 | what [noun] is [noun prp] | 25 |
|
| 4 | what time is [noun] | 14 |
|
| 5 | what time is [noun] | 14 |
|
| 6 | what extent is [noun] | 8 |
|
| 7 | what extent is [noun] | 8 |
|
| 8 | what use is [noun] | 6 |
|
| 9 | what use is [noun] | 6 |
|
