| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [verb] [prep] a certain | 11 |
|
| 2 | they [verb] [prep] a certain | 10 |
|
| 3 | they [vb base] [prep] a certain | 9 |
|
| 4 | they [verb] to a certain | 5 |
|
| 5 | they [verb] to a certain | 5 |
|
