No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] a [adj] period [prep] | 773 | |
2 | [noun sg] [prep] a [adj] period | 519 | |
3 | [noun sg] [prep] a period [prep] | 461 | |
4 | [noun sg] [prep] a [adj] [prep] | 290 | |
5 | [noun sg] [prep] [adj] period [prep] | 99 | |
6 | [noun sg] a [adj] period [prep] | 6 |