No | Pattern | Freq | Relations |
---|---|---|---|
1 | over a [noun] [conj] | 141 | |
2 | over a [noun sg] [conj] | 139 | |
3 | [prep] a century [conj] | 72 | |
4 | over a century [conj] | 13 | |
5 | over [art] century [conj] | 13 | |
6 | over a century [conj] | 13 | |
7 | over [art] century [conj] | 13 |