| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [prep] [adv] | 1462 |
|
| 2 | be [v-ing] [prep] [adv] | 1461 |
|
| 3 | are [verb] [prep] [adv] | 1077 |
|
| 4 | [am/are] [v-ing] [prep] [adv] | 503 |
|
| 5 | are [v-ing] [prep] [adv] | 197 |
|
| 6 | are [v-ing] [prep] [adv] | 174 |
|
