| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [prep] [adj] [noun] | 364 |
|
| 2 | is use [prep] [adj] [noun] | 138 |
|
| 3 | it is use [prep] [noun] | 49 |
|
| 4 | it is use [prep] [adj] | 21 |
|
