| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | years [adv] [prep] a [noun] | 135 |
|
| 2 | years [adv] [prep] a [noun sg] | 114 |
|
| 3 | [noun] [adv] [prep] a time | 30 |
|
| 4 | [noun pl] [adv] [prep] a time | 15 |
|
| 5 | years [adv] [prep] [art] time | 12 |
|
| 6 | years [adv] [prep] a time | 5 |
|
| 7 | year [adv] [prep] a time | 5 |
|
| 8 | years [adv] [prep] a time | 5 |
|
