No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] a [adj] years | 820 | |
2 | [prep] a million [noun] | 351 | |
3 | [prep] a million [noun pl] | 288 | |
4 | [prep] a [num] years | 236 | |
5 | [prep] [art] million years | 42 | |
6 | [prep] a million years | 41 | |
7 | [prep] a million year | 41 | |
8 | [prep] a million years | 41 |