| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [v-ing] | 7370 |
|
| 2 | [adv] [v-ing] [coord] | 1687 |
|
| 3 | is [adv] [coord] | 777 |
|
| 4 | is [v-ing] [coord] | 536 |
|
