| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [pos pn] [noun] | 5444 |
|
| 2 | it [pos pn] [noun] | 617 |
|
| 3 | is it [noun] | 580 |
|
| 4 | is it [pos pn] | 128 |
|
