No | Pattern | Freq | Relations |
---|---|---|---|
1 | this has been [vb pp] | 562 | |
2 | this has been done | 64 | |
3 | this has been achieved | 34 | |
4 | this has been confirmed | 12 | |
5 | this has been taken | 12 | |
6 | this has been used | 11 | |
7 | this has been discussed | 11 | |
8 | this has been shown | 10 | |
9 | this has been seen | 9 | |
10 | this has been described | 8 | |
11 | this has been found | 7 | |
12 | this has been brought | 7 | |
13 | this has been recognised | 6 | |
14 | this has been called | 6 | |
15 | this has been demonstrated | 6 | |
16 | this has been interpreted | 5 | |
17 | this has been disputed | 5 | |
18 | this has been referred | 5 | |
19 | this has been reflected | 5 | |
20 | this has been suggested | 5 | |
21 | this has been made | 5 |