No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] a long [noun] [prep] | 888 | |
2 | [prep] a [adj] period [prep] | 871 | |
3 | [prep] a [adj] period [prep] | 824 | |
4 | [prep] [art] long period [prep] | 180 | |
5 | [prep] a long period [prep] | 179 | |
6 | [prep] a long period [prep] | 162 | |
7 | [prep] a long period [prep] | 162 |