No | Pattern | Freq | Relations |
---|---|---|---|
1 | a [noun] of time | 2033 | |
2 | a [noun sg] of time | 2030 | |
3 | a period of [noun] | 910 | |
4 | [art] period of time | 327 | |
5 | [art] period of time | 327 | |
6 | a period of time | 285 | |
7 | a period of time | 284 | |
8 | a period [prep] time | 284 | |
9 | a period of time | 284 | |
10 | a period [prep] time | 284 |