| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [v-ing] | 7370 |
|
| 2 | [coord] [adv] [v-ing] | 6668 |
|
| 3 | [coord] is [adv] | 4571 |
|
| 4 | [coord] is [v-ing] | 1056 |
|
