| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [v-ing] [prep] be [verb] | 441 |
|
| 2 | [am/are] [verb] [prep] be [v-ing] | 332 |
|
| 3 | [be] [v-ing] [prep] be [v-ing] | 292 |
|
| 4 | [am/are] [v-ing] [prep] be [v-ing] | 273 |
|
| 5 | [am/are] [v-ing] [prep] [be] [v-ing] | 174 |
|
