No | Pattern | Freq | Relations |
---|---|---|---|
1 | [verb] [adv] for a [noun] | 1990 | |
2 | [verb] [adv] for a [noun sg] | 1957 | |
3 | [verb] [adv] [prep] a period | 85 | |
4 | [verb] [adv] for [art] period | 26 | |
5 | [verb] [adv] for [art] period | 26 | |
6 | [verb] [adv] for a period | 20 | |
7 | [verb] [adv] for a period | 20 |