| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [conj] a [noun] | 525 |
|
| 2 | is recommended [conj] a | 23 |
|
| 3 | is recommended [conj] [noun] | 15 |
|
| 4 | recommended [conj] a [noun] | 15 |
|
