| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [was/were] [verb] at this | 10 |
|
| 2 | i [was/were] [v-ing] at this | 9 |
|
| 3 | i was [verb] at this | 9 |
|
| 4 | i [was/were] looking at this | 7 |
|
| 5 | i [was/were] look at this | 7 |
|
