| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [conj] [noun] [prep] | 14 |
|
| 2 | it is recommended [conj] [noun] | 13 |
|
| 3 | it is recommended [conj] [prep] | 5 |
|
| 4 | is recommended [conj] [noun] [prep] | 5 |
|
