| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be a [noun] [Wh det] | 492 |
|
| 2 | it [be] a [noun sg] [Wh det] | 490 |
|
| 3 | it [be] a [noun] which | 471 |
|
| 4 | it [is] a [noun] [Wh det] | 347 |
|
| 5 | it is a [noun] [Wh det] | 265 |
|
| 6 | it [was/were] a [noun] [Wh det] | 143 |
|
| 7 | it was a [noun] [Wh det] | 143 |
|
| 8 | it 's a [noun] [Wh det] | 82 |
|
| 9 | it [be] a problem [Wh det] | 15 |
|
| 10 | it [be] a problem [Wh det] | 15 |
|
| 11 | it [be] a [noun] whose | 13 |
|
| 12 | it [be] a question [Wh det] | 10 |
|
| 13 | it [be] a question [Wh det] | 10 |
|
| 14 | it [be] a process [Wh det] | 9 |
|
| 15 | it [be] a process [Wh det] | 9 |
|
| 16 | it [be] a system [Wh det] | 9 |
|
| 17 | it [be] a system [Wh det] | 9 |
|
| 18 | it [be] a [noun] what | 8 |
|
| 19 | it [be] a subject [Wh det] | 7 |
|
| 20 | it [be] a subject [Wh det] | 7 |
|
| 21 | it [be] a view [Wh det] | 6 |
|
| 22 | it [be] a technique [Wh det] | 6 |
|
| 23 | it [be] a technique [Wh det] | 6 |
|
| 24 | it [be] a task [Wh det] | 6 |
|
| 25 | it [be] a view [Wh det] | 6 |
|
| 26 | it [be] a situation [Wh det] | 6 |
|
| 27 | it [be] a task [Wh det] | 6 |
|
| 28 | it [be] a situation [Wh det] | 6 |
|
