| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] at it [prep] [art] | 18 |
|
| 2 | be look at it [prep] [art] | 16 |
|
| 3 | be looking at it [prep] [art] | 15 |
|
| 4 | be [verb] at it [prep] a | 13 |
|
| 5 | be [verb] at it [prep] the | 8 |
|
| 6 | be [verb] at it from [art] | 6 |
|
| 7 | are [verb] at it [prep] [art] | 5 |
|
