| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [verb] in some study | 6 |
|
| 2 | [verb] be [verb] [prep] some studies | 6 |
|
| 3 | has be [verb] [prep] some study | 6 |
|
| 4 | [verb] be [vb pp] [prep] some study | 6 |
|
| 5 | [vb -s] be [verb] [prep] some study | 6 |
|
| 6 | have be [verb] [prep] some study | 6 |
|
| 7 | [verb] be [verb] [prep] some study | 6 |
|
| 8 | [verb] been [verb] [prep] some study | 6 |
|
