| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] a certain [noun] | 57 |
|
| 2 | it [verb] a certain [noun] | 57 |
|
| 3 | it [verb] a certain [noun sg] | 55 |
|
| 4 | it [vb -s] a certain [noun] | 42 |
|
| 5 | it have a certain [noun] | 20 |
|
| 6 | it [vb past] a certain [noun] | 14 |
|
| 7 | it has a certain [noun] | 14 |
|
| 8 | it [verb] a certain amount | 10 |
|
| 9 | it [verb] a certain amount | 10 |
|
| 10 | it take a certain [noun] | 7 |
|
| 11 | it had a certain [noun] | 6 |
|
| 12 | it takes a certain [noun] | 6 |
|
