| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] [prep] many years | 34 |
|
| 2 | [adv prt] [prep] many years | 34 |
|
| 3 | [adv prt] for many years | 19 |
|
| 4 | [adv prt] for many years | 19 |
|
| 5 | [adv prt] over many years | 13 |
|
| 6 | [adv prt] over many years | 13 |
|
| 7 | up [prep] many years | 13 |
|
| 8 | around [prep] many years | 6 |
|
| 9 | back [prep] many years | 5 |
|
