| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [v-ing] [prep] [art] | 5335 |
|
| 2 | [am/are] [v-ing] [prep] [art] | 5333 |
|
| 3 | [be] [v-ing] at [art] | 2298 |
|
| 4 | [am/are] [verb] at [art] | 1069 |
|
| 5 | [am/are] [v-ing] at [art] | 448 |
|
| 6 | [am/are] [v-ing] at [art] | 448 |
|
