| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this study [be] [vb pp] [prep] | 44 |
|
| 2 | this study be [vb pp] [prep] | 44 |
|
| 3 | this study [was/were] [vb pp] [prep] | 27 |
|
| 4 | this study was [vb pp] [prep] | 24 |
|
| 5 | this study is [vb pp] [prep] | 10 |
|
| 6 | this study [is] [vb pp] [prep] | 10 |
|
| 7 | this study are [vb pp] [prep] | 7 |
|
| 8 | this study [am/are] [vb pp] [prep] | 7 |
|
