| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] [noun] [is] [adv] | 219 |
|
| 2 | [adv] [letter] [is] [adv] | 12 |
|
| 3 | [Wh adv] [letter] [is] [adv] | 11 |
|
| 4 | [Wh adv] [letter] [be] [adv] | 9 |
|
