| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [v-ing] | 21171 |
|
| 2 | [verb] be [v-ing] | 21170 |
|
| 3 | [verb] are [verb] | 1046 |
|
| 4 | [verb] [am/are] [v-ing] | 205 |
|
