No | Pattern | Freq | Relations |
---|---|---|---|
1 | [noun] over a prolonged period of | 7 | |
2 | over a prolonged period of [noun sg] | 7 | |
3 | over a prolonged period of [noun] | 7 | |
4 | over a prolonged period of time | 7 | |
5 | over a prolonged period of time | 7 |
(1) over a prolonged period of (6) Next page
|