No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] a long period [prep] [art] | 13 | |
2 | [prep] a long period [prep] [art] | 13 | |
3 | over a long period [prep] [art] | 6 | |
4 | over a long period [prep] [art] | 6 | |
5 | for a long period [prep] [art] | 5 | |
6 | for a long period [prep] [art] | 5 | |
7 | a long period [prep] [art] [noun] | 7 | |
8 | a long period [prep] [art] [adj] | 7 | |
9 | a long period [prep] [art] [noun sg] | 5 |