| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a certain [noun] of time | 35 |
|
| 2 | [prep] a certain [noun] of time | 35 |
|
| 3 | for a certain [noun] of time | 23 |
|
| 4 | for a certain [noun] of time | 23 |
|
| 5 | [verb] a certain [noun] of time | 10 |
|
| 6 | a certain [noun] of time [conj] | 11 |
|
| 7 | a certain [noun] of time [prep] | 9 |
|
| 8 | a certain [noun] of time [prep] | 9 |
|
| 9 | a certain [noun] of time [coord] | 9 |
|
| 10 | a certain [noun] of time and | 8 |
|
| 11 | a certain [noun] of time and | 8 |
|
