| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] what [is] [adv] [verb] [prep] | 7 |
|
| 2 | is what [is] [adv] [verb] [prep] | 6 |
|
| 3 | [is] what is [adv] [verb] [prep] | 6 |
|
| 4 | [is] what [is] [adv] [vb pp] [prep] | 5 |
|
