| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [v-ing] [noun] [prep] [noun] | 350 |
|
| 2 | [be] [v-ing] [noun] for [noun] | 278 |
|
| 3 | be [v-ing] [noun] for [noun] | 278 |
|
| 4 | is [verb] [noun] for [noun] | 82 |
|
| 5 | [is] [v-ing] [noun] for [noun] | 55 |
|
