| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] a [noun] | 16296 |
|
| 2 | are [v-ing] [prep] [noun] | 1862 |
|
| 3 | are [v-ing] a [noun] | 1019 |
|
| 4 | are [v-ing] [prep] a | 982 |
|
| 5 | are [prep] a [noun] | 678 |
|
