| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [verb] [det] [noun sg] [noun] | 39 |
|
| 2 | it is [vb pp] [det] [noun] [noun] | 38 |
|
| 3 | it is [verb] that [noun] [noun] | 37 |
|
| 4 | it is [verb] [det] [noun] [noun sg] | 25 |
|
| 5 | it is [verb] [det] [noun] [noun pl] | 14 |
|
| 6 | it is recommend [det] [noun] [noun] | 8 |
|
| 7 | it is recommended [det] [noun] [noun] | 8 |
|
| 8 | it is understand [det] [noun] [noun] | 6 |
|
| 9 | it is understood [det] [noun] [noun] | 5 |
|
