| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [v-ing] [prep] [det] [noun] | 325 |
|
| 2 | was [v-ing] [prep] [det] [noun] | 325 |
|
| 3 | be [v-ing] at [det] [noun] | 202 |
|
| 4 | [be] [v-ing] at [det] [noun] | 202 |
|
| 5 | was [verb] at [det] [noun] | 160 |
|
| 6 | was [v-ing] at [adj] [noun] | 92 |
|
| 7 | [was/were] [v-ing] at [det] [noun] | 78 |
|
| 8 | was [v-ing] at [det] [noun] | 44 |
|
