| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [prep] [noun] | 15688 |
|
| 2 | down [prep] [noun] | 6126 |
|
| 3 | [is] down [prep] | 501 |
|
| 4 | [is] down [noun] | 8 |
|
