| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] for over 20 years | 27 |
|
| 2 | [noun sg] for over 20 years | 20 |
|
| 3 | [verb] for over 20 years | 12 |
|
| 4 | [vb pp] for over 20 years | 8 |
|
| 5 | for over 20 years [conj] | 7 |
|
| 6 | for over 20 years [coord] | 6 |
|
| 7 | for over 20 years and | 5 |
|
| 8 | for over 20 years and | 5 |
|
