| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] exist for [adj] years | 8 |
|
| 2 | [noun] [verb] exist for [adj] year | 8 |
|
| 3 | [noun] [verb] existed for [adj] year | 8 |
|
| 4 | [noun] have exist for [adj] year | 8 |
|
| 5 | [noun sg] [verb] exist for [adj] year | 7 |
|
| 6 | [noun] has exist for [adj] year | 5 |
|
| 7 | [noun] [verb] exist for [num] year | 5 |
|
| 8 | [noun] [vb -s] exist for [adj] year | 5 |
|
