| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for [adv] [adj] years | 1423 |
|
| 2 | for [adv] [num] years | 1298 |
|
| 3 | [prep] [adv] 30 years | 104 |
|
| 4 | [prep] [adv] 30 years | 104 |
|
| 5 | for [adv] 30 [noun] | 98 |
|
| 6 | for [adv] 30 [noun pl] | 94 |
|
| 7 | for [adv] 30 years | 70 |
|
| 8 | for [adv] 30 years | 70 |
|
| 9 | for [adv] 30 year | 70 |
|
