| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] was [verb] [prep] | 61960 |
|
| 2 | [noun] [be] [v-ing] [prep] | 18968 |
|
| 3 | [noun] be [v-ing] [prep] | 18967 |
|
| 4 | [noun] [was/were] [v-ing] [prep] | 9483 |
|
