| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [prep] [art] [noun pl] | 1882 |
|
| 2 | what is [verb] [prep] [art] | 658 |
|
| 3 | what [verb] [prep] [art] [noun pl] | 135 |
|
| 4 | what is [verb] [prep] [noun pl] | 52 |
|
| 5 | what is [prep] [art] [noun pl] | 23 |
|
