| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] a [noun] which | 471 |
|
| 2 | it [be] a question [pron] | 22 |
|
| 3 | [pron] [be] a question which | 10 |
|
| 4 | it [be] a question [Wh det] | 10 |
|
| 5 | it [be] a question which | 9 |
|
| 6 | it [be] [art] question which | 9 |
|
| 7 | it [be] a question which | 9 |
|
| 8 | it [be] [art] question which | 9 |
|
