| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] a [noun sg] [prep] what | 36 |
|
| 2 | it [be] a [noun] [prep] what | 36 |
|
| 3 | it [be] a [noun] [prep] what | 36 |
|
| 4 | it be a [noun] [prep] what | 36 |
|
| 5 | it [be] a [noun] of what | 31 |
|
| 6 | it [be] a [noun] of what | 31 |
|
| 7 | it [is] a [noun] [prep] what | 25 |
|
| 8 | it 's a [noun] [prep] what | 17 |
|
| 9 | it [was/were] a [noun] [prep] what | 11 |
|
| 10 | it was a [noun] [prep] what | 11 |
|
| 11 | it is a [noun] [prep] what | 8 |
|
| 12 | it [be] a question [prep] what | 7 |
|
| 13 | it [be] a question [prep] what | 7 |
|
| 14 | it [be] a case [prep] what | 5 |
|
| 15 | it [be] a case [prep] what | 5 |
|
