| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [noun] [noun] | 2581 |
|
| 2 | be [v-ing] [noun] [noun] | 2580 |
|
| 3 | was [verb] [noun] [noun] | 1233 |
|
| 4 | [was/were] [v-ing] [noun] [noun] | 768 |
|
