| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [adv] [noun] [prep] | 97 |
|
| 2 | [was/were] [verb] [adv] [noun] [prep] | 66 |
|
| 3 | [be] [v-ing] [adv] [noun] [prep] | 54 |
|
| 4 | [was/were] [v-ing] [adv] [noun] [prep] | 19 |
|
