| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what this [noun sg] [adv] [verb] [is] | 6 |
|
| 2 | what this [noun sg] [adv] [verb] [is] | 6 |
|
| 3 | what this [noun sg] [adv] [verb] is | 6 |
|
| 4 | what this [noun sg] [adv] [vb -s] [is] | 6 |
|
