| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [adv prt] | 20902 |
|
| 2 | [vb mod] [be] [v-ing] | 15842 |
|
| 3 | [vb mod] [be] [adv prt] | 3227 |
|
| 4 | [vb mod] [v-ing] [adv prt] | 10 |
|
