| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are [adv] [v-ing] | 6453 |
|
| 2 | [adv] [v-ing] a | 4361 |
|
| 3 | are [v-ing] a | 1992 |
|
| 4 | are [adv] a | 1353 |
|
