| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [v-ing] [adv] [adv] | 1176 |
|
| 2 | [v-ing] [adv] [adv] [subord] | 946 |
|
| 3 | [is] [adv] [adv] [subord] | 526 |
|
| 4 | [is] [v-ing] [adv] [subord] | 196 |
|
| 5 | [is] [v-ing] [adv] [subord] | 126 |
|
