No | Pattern | Freq | Relations |
---|---|---|---|
1 | been [verb] in recent years | 91 | |
2 | been [vb pp] [prep] recent years | 87 | |
3 | been [v-ing] [prep] recent years | 9 | |
4 | been make [prep] recent years | 6 | |
5 | been develop [prep] recent years | 6 | |
6 | been made [prep] recent years | 6 | |
7 | been developed [prep] recent years | 6 | |
8 | been eroded [prep] recent years | 5 | |
9 | been [verb] over recent years | 5 | |
10 | been erode [prep] recent years | 5 |