| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is what is [vb pp] [prep] | 68 |
|
| 2 | [noun] is what is [vb pp] | 53 |
|
| 3 | [noun] what is [vb pp] [prep] | 27 |
|
| 4 | [noun] is is [vb pp] [prep] | 8 |
|
| 5 | [noun] is what is [prep] | 6 |
|
