| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | existed [prep] a [adj] | 13 |
|
| 2 | existed [prep] a [adj] | 12 |
|
| 3 | existed for a [adj] | 9 |
|
| 4 | existed for a [adj] | 9 |
|
| 5 | existed [prep] a long | 6 |
|
| 6 | existed [prep] a long | 6 |
|
