| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [v-ing] [prep] [verb] | 4225 |
|
| 2 | [am/are] [v-ing] [prep] [vb infin] | 3729 |
|
| 3 | [be] [v-ing] [prep] do | 523 |
|
| 4 | [am/are] [v-ing] [prep] do | 390 |
|
| 5 | [am/are] [verb] [prep] do | 358 |
|
