| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have exist [prep] a long | 5 |
|
| 2 | [verb] exist [prep] a long | 5 |
|
| 3 | exist [prep] a long time | 5 |
|
| 4 | exist [prep] a long [noun sg] | 5 |
|
| 5 | exist [prep] a long time | 5 |
|
| 6 | exist [prep] a long [noun] | 5 |
|
