| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [prep] study | 27 |
|
| 2 | have be [vb pp] [prep] study | 26 |
|
| 3 | have be [verb] [prep] studies | 21 |
|
| 4 | has be [verb] [prep] study | 14 |
|
| 5 | have be [verb] in study | 11 |
|
| 6 | have be [verb] [prep] study | 11 |
|
| 7 | have be [verb] [prep] study | 6 |
|
| 8 | have be [verb] by study | 5 |
|
| 9 | have be [verb] from study | 5 |
|
