| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [vb pp] [prep] [art] [noun pl] | 1660 |
|
| 2 | what [is] [vb pp] [prep] [art] | 534 |
|
| 3 | what [is] [vb pp] [prep] [noun pl] | 42 |
|
| 4 | what [is] [prep] [art] [noun pl] | 38 |
|
