No | Pattern | Freq | Relations |
---|---|---|---|
1 | of [noun sg] [prep] a period | 32 | |
2 | of [noun sg] for a period | 9 | |
3 | of [noun sg] over a period | 9 | |
4 | of [noun sg] for a period | 9 | |
5 | of [noun sg] over a period | 9 | |
6 | of [noun sg] in a period | 5 | |
7 | of [noun sg] in a period | 5 |