| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adj] [adj] [noun pl] | 533 |
|
| 2 | [adj] to use [adj] [noun pl] | 84 |
|
| 3 | is [adj] to use [adj] | 42 |
|
| 4 | is to use [adj] [noun pl] | 18 |
|
| 5 | is [adj] to use [noun pl] | 13 |
|
