| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [conj] | 2813 |
|
| 2 | is recommended [conj] | 133 |
|
| 3 | is [adv] recommended | 105 |
|
| 4 | [adv] recommended [conj] | 77 |
|
