| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [verb] for [det] years | 100 |
|
| 2 | have [vb pp] for [det] years | 92 |
|
| 3 | have existed for [adj] years | 12 |
|
| 4 | have existed for [det] [noun] | 9 |
|
| 5 | have existed [prep] [det] years | 6 |
|
| 6 | have existed [prep] [det] years | 6 |
|
| 7 | have existed for [det] [noun pl] | 5 |
|
| 8 | [verb] existed for [det] years | 5 |
|
| 9 | have existed for [det] year | 5 |
|
| 10 | have existed for [det] years | 5 |
|
| 11 | have exist for [det] years | 5 |
|
