| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [conj] | 2813 |
|
| 2 | what is [adv] | 2260 |
|
| 3 | what is [conj] | 78 |
|
| 4 | what [adv] [conj] | 30 |
|
