| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are [v-ing] [prep] a [noun sg] | 603 |
|
| 2 | are [v-ing] [prep] [adj] [noun sg] | 415 |
|
| 3 | [v-ing] [prep] [adj] a [noun sg] | 191 |
|
| 4 | are [prep] [adj] a [noun sg] | 16 |
|
| 5 | are [v-ing] [prep] [adj] a | 9 |
|
