| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [prep] [noun prp] | 4813 |
|
| 2 | [am/are] [v-ing] [prep] [noun] | 3521 |
|
| 3 | [am/are] [verb] [prep] [noun prp] | 2475 |
|
| 4 | [am/are] [v-ing] [prep] [noun prp] | 890 |
|
