| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [prep] a [noun] | 321 |
|
| 2 | [Wh det] is [adv] a [noun] | 216 |
|
| 3 | [Wh det] is [adv] [prep] [noun] | 178 |
|
| 4 | [Wh det] is [prep] a [noun] | 45 |
|
| 5 | [Wh det] is [adv] [prep] a | 28 |
|
