No | Pattern | Freq | Relations |
---|---|---|---|
1 | there have been [det] study | 15 | |
2 | there have been [det] study | 15 | |
3 | there [vb base] been [det] study | 15 | |
4 | there [verb] been [det] studies | 15 | |
5 | there [verb] been few study | 6 | |
6 | there [verb] been many study | 6 |