| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | exist [art] | 37 |
|
| 2 | exist a | 29 |
|
| 3 | exist a | 23 |
|
| 4 | exist an | 6 |
|
| 5 | exist the | 6 |
|
| 6 | exist the | 6 |
|
