No | Pattern | Freq | Relations |
---|---|---|---|
1 | [vb pp] [prep] a period of | 215 | |
2 | [vb pp] [prep] a period of | 215 | |
3 | [vb pp] over a [noun] of | 150 | |
4 | [vb pp] over a [noun sg] of | 147 | |
5 | [vb pp] over [art] period of | 76 | |
6 | [vb pp] over [art] period of | 76 | |
7 | [verb] over a period of | 75 | |
8 | [vb pp] over a period [prep] | 71 | |
9 | [vb pp] over a period [prep] | 71 | |
10 | [vb pp] over a period of | 70 | |
11 | [vb pp] over a period of | 70 | |
12 | [vb pp] over a period of | 70 | |
13 | [vb pp] over a period of | 70 |