| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [num] years | 6137 |
|
| 2 | for [det] years | 2821 |
|
| 3 | for many years | 1805 |
|
| 4 | for many years | 1805 |
|
| 5 | for two years | 778 |
|
| 6 | for two years | 778 |
|
| 7 | for three years | 608 |
|
| 8 | for three years | 608 |
|
| 9 | for five years | 556 |
|
| 10 | for five years | 556 |
|
| 11 | for several years | 527 |
|
| 12 | for several years | 527 |
|
| 13 | for some years | 457 |
|
| 14 | for some years | 457 |
|
| 15 | for four years | 341 |
|
| 16 | for four years | 341 |
|
| 17 | for ten years | 298 |
|
| 18 | for ten years | 298 |
|
| 19 | for 20 years | 221 |
|
| 20 | for 20 years | 221 |
|
| 21 | for six years | 208 |
|
| 22 | for six years | 208 |
|
| 23 | for twenty years | 201 |
|
| 24 | for twenty years | 201 |
|
| 25 | for seven years | 188 |
|
| 26 | for seven years | 188 |
|
| 27 | for 10 years | 148 |
|
| 28 | for 10 years | 148 |
|
| 29 | for eight years | 140 |
|
| 30 | for eight years | 140 |
|
