| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what is [vb pp] [prep] [det] | 16 |
|
| 2 | [to-vb] what is [verb] [prep] [det] | 8 |
|
| 3 | [verb] what is [verb] by [det] | 8 |
|
| 4 | [verb] what is [verb] [prep] this | 7 |
|
| 5 | [verb] what is happen [prep] [det] | 5 |
|
| 6 | [vb infin] what is [verb] [prep] [det] | 5 |
|
| 7 | [vb base] what is [verb] [prep] [det] | 5 |
|
| 8 | [verb] what is meant [prep] [det] | 5 |
|
| 9 | [verb] what is mean [prep] [det] | 5 |
|
| 10 | [verb] what is [verb] in [det] | 5 |
|
| 11 | [verb] what is [verb] [prep] that | 5 |
|
