No | Pattern | Freq | Relations |
---|---|---|---|
1 | over a [adj] period | 519 | |
2 | over a [adj] period | 462 | |
3 | [prep] a prolonged period | 42 | |
4 | [prep] a prolonged period | 42 | |
5 | over a prolonged [noun] | 15 | |
6 | over a prolonged period | 15 | |
7 | over [art] prolonged period | 15 | |
8 | over a prolonged period | 15 | |
9 | over a prolonged period | 15 | |
10 | over a prolonged [noun sg] | 15 | |
11 | over a prolonged period | 15 | |
12 | over [art] prolonged period | 15 |