No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] a [adj] period [prep] | 871 | |
2 | [prep] a [adj] period [prep] | 871 | |
3 | over a [adj] [noun] [prep] | 540 | |
4 | over a [adj] [noun sg] [prep] | 524 | |
5 | over [art] [adj] period [prep] | 232 | |
6 | over a [adj] period [prep] | 183 | |
7 | over a [adj] period [prep] | 183 | |
8 | over a [adj] period [prep] | 183 |