| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] to [num] years | 745 |
|
| 2 | two [prep] [num] years | 116 |
|
| 3 | three [prep] [num] years | 108 |
|
| 4 | [num] [prep] five years | 108 |
|
| 5 | [num] [prep] three years | 102 |
|
| 6 | five [prep] [num] years | 75 |
|
| 7 | [num] after [num] years | 70 |
|
| 8 | [num] [prep] four years | 62 |
|
| 9 | [num] [prep] 10 years | 50 |
|
| 10 | [num] [prep] ten years | 45 |
|
| 11 | four [prep] [num] years | 44 |
|
| 12 | [num] in [num] years | 41 |
|
| 13 | ten [prep] [num] years | 36 |
|
| 14 | [num] [prep] seven years | 34 |
|
| 15 | [num] [prep] 15 years | 34 |
|
| 16 | [num] [prep] two years | 30 |
|
| 17 | 20 [prep] [num] years | 30 |
|
| 18 | 10 [prep] [num] years | 29 |
|
| 19 | [num] [prep] 20 years | 27 |
|
| 20 | [num] [prep] fifteen years | 26 |
|
| 21 | [num] for [num] years | 23 |
|
| 22 | [num] [prep] eight years | 21 |
|
| 23 | [num] [prep] six years | 21 |
|
| 24 | six [prep] [num] years | 19 |
|
| 25 | 5 [prep] [num] years | 17 |
|
| 26 | [num] [prep] 30 years | 17 |
|
| 27 | seven [prep] [num] years | 17 |
|
| 28 | 2 [prep] [num] years | 17 |
|
| 29 | eight [prep] [num] years | 16 |
|
| 30 | [num] [prep] 18 years | 15 |
|
