| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [v-ing] [adv] a | 33 |
|
| 2 | [vb base] be [v-ing] [adv] a | 27 |
|
| 3 | [vb base] be [verb] [adv] a | 20 |
|
| 4 | [vb base] be [v-ing] [adv] [art] | 20 |
|
| 5 | [vb base] [be] [v-ing] [adv] a | 14 |
|
