| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [v-ing] [prep] [noun] [prep] | 692 |
|
| 2 | [det] was [prep] [noun] [prep] | 117 |
|
| 3 | [det] [v-ing] [prep] [noun] [prep] | 97 |
|
| 4 | [det] was [v-ing] [prep] [noun] | 22 |
|
| 5 | [det] was [v-ing] [noun] [prep] | 12 |
|
