| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [v-ing] at [art] [adj] [noun] | 137 |
|
| 2 | be [v-ing] at [art] [det] [noun] | 56 |
|
| 3 | [be] [v-ing] at [art] [det] [noun] | 56 |
|
| 4 | was [verb] at [art] [det] [noun] | 52 |
|
| 5 | was [v-ing] [prep] [art] [det] [noun] | 44 |
|
| 6 | [was/were] [v-ing] at [art] [det] [noun] | 21 |
|
| 7 | was [v-ing] at [art] [det] [noun] | 12 |
|
