| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [adv] [art] | 2356 |
|
| 2 | be [v-ing] [adv prt] [art] | 1732 |
|
| 3 | be [verb] down [art] | 458 |
|
| 4 | [be] [v-ing] down [art] | 249 |
|
| 5 | be [v-ing] down [art] | 249 |
|
