No | Pattern | Freq | Relations |
---|---|---|---|
1 | over a [adj] period [prep] | 166 | |
2 | over a [adj] period of | 134 | |
3 | over a long period [prep] | 85 | |
4 | over a prolonged period [prep] | 9 | |
5 | over a short period [prep] | 8 | |
6 | over a [adj] period in | 7 | |
7 | over an [adj] period [prep] | 7 | |
8 | over a considerable period [prep] | 7 | |
9 | over a given period [prep] | 6 | |
10 | over a [adj] period from | 5 | |
11 | over a [adj] period to | 5 |