| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adj] [adj] [noun] | 3010 |
|
| 2 | [adj] to use [adj] [noun] | 173 |
|
| 3 | is [adj] to use [adj] | 42 |
|
| 4 | is [adj] to use [noun] | 38 |
|
| 5 | is to use [adj] [noun] | 36 |
|
