| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adv] an [noun sg] [Wh det] | 11 |
|
| 2 | it be [adv] an [noun] which | 11 |
|
| 3 | it is [adv] an [noun] [Wh det] | 8 |
|
| 4 | it be [adv] an [noun] [Wh det] | 6 |
|
| 5 | it be not an [noun] [Wh det] | 5 |
|
| 6 | it be not an [noun] [Wh det] | 5 |
|
| 7 | it be [not/n't] an [noun] [Wh det] | 5 |
|
