| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [verb] for [adj] years | 306 |
|
| 2 | [verb] [be] [verb] for [num] years | 199 |
|
| 3 | [verb] [be] [verb] for twenty [noun pl] | 10 |
|
| 4 | [verb] [be] [verb] for twenty [noun] | 10 |
|
| 5 | [verb] [be] [verb] for twenty years | 9 |
|
| 6 | [verb] [be] [verb] for twenty year | 9 |
|
| 7 | [verb] [be] [verb] [prep] twenty years | 9 |
|
| 8 | [verb] [be] [verb] [prep] twenty years | 9 |
|
| 9 | [verb] [be] [verb] for twenty years | 9 |
|
