| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [art] | 32032 |
|
| 2 | [be] [v-ing] down | 1758 |
|
| 3 | [v-ing] down [art] | 1587 |
|
| 4 | [be] down [art] | 75 |
|
