| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [verb] in [noun] [prep] | 825 |
|
| 2 | [be] [v-ing] in [noun] [prep] | 772 |
|
| 3 | [am/are] [v-ing] [prep] [noun] [prep] | 736 |
|
| 4 | [am/are] [v-ing] [prep] [noun] [prep] | 731 |
|
| 5 | [am/are] [v-ing] in [noun] [prep] | 123 |
|
