No | Pattern | Freq | Relations |
---|---|---|---|
1 | over [art] short period of time | 7 | |
2 | over [art] short period of [noun sg] | 7 | |
3 | over [art] short period of [noun] | 7 | |
4 | over a short period of [noun] | 7 | |
5 | over [art] short period of [noun] | 7 | |
6 | over a short period of [noun] | 7 | |
7 | over [art] short period of time | 7 |