| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a study [verb] [prep] [art] | 57 |
|
| 2 | a [verb] [adv prt] [prep] [art] | 32 |
|
| 3 | a study [verb] [adv prt] [prep] | 23 |
|
| 4 | study [verb] [adv prt] [prep] [art] | 19 |
|
