| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [v-ing] [verb] [det] [det] [noun] | 5 |
|
| 2 | is [v-ing] [to-vb] [det] [det] [noun] | 5 |
|
| 3 | is [v-ing] [det] [det] [noun] [prep] | 5 |
|
| 4 | is [v-ing] [det] [det] [noun] [prep] | 5 |
|
