| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do be [vb infin] down | 16 |
|
| 2 | do is [vb infin] down | 15 |
|
| 3 | to do be [vb infin] down | 9 |
|
| 4 | do be [vb infin] down | 6 |
|
