| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb base] what [is] [verb] [prep] | 16 |
|
| 2 | [adv] [vb base] what [is] [vb pp] [prep] | 11 |
|
| 3 | [adv] [vb base] what is [verb] [prep] | 11 |
|
| 4 | [adv] [vb base] what [is] [verb] of | 5 |
|
| 5 | [adv] [vb base] what [is] [verb] by | 5 |
|
| 6 | [adv] [vb base] what [is] [v-ing] [prep] | 5 |
|
| 7 | [adv] [vb base] what 's [verb] [prep] | 5 |
|
