| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there have [be] few study of | 5 |
|
| 2 | there have [be] few study [prep] | 5 |
|
| 3 | there have [be] few study [prep] | 5 |
|
| 4 | there have [be] few study of | 5 |
|
