| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [v-ing] [art] | 20233 |
|
| 2 | is [conj] [art] | 6838 |
|
| 3 | is [v-ing] [art] | 5977 |
|
| 4 | is [conj] [v-ing] | 172 |
|
