| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] a | 12188 |
|
| 2 | [conj] [adv] a | 8190 |
|
| 3 | is [conj] a | 933 |
|
| 4 | is [conj] [adv] | 821 |
|
