No | Pattern | Freq | Relations |
---|---|---|---|
1 | over a [adj] period [prep] | 176 | |
2 | [prep] a prolonged period [prep] | 20 | |
3 | [prep] a prolonged period [prep] | 20 | |
4 | over a prolonged period [prep] | 9 | |
5 | over a prolonged [noun sg] [prep] | 9 | |
6 | over a prolonged period [prep] | 9 | |
7 | over a prolonged [noun] [prep] | 9 | |
8 | over [art] prolonged period [prep] | 9 | |
9 | over a prolonged period [prep] | 9 | |
10 | over [art] prolonged period [prep] | 9 |