No | Pattern | Freq | Relations |
---|---|---|---|
1 | [be] [adv] [prep] a [noun] of | 351 | |
2 | [be] [adv] [prep] a [noun sg] of | 344 | |
3 | [be] [adv] [prep] [art] period of | 11 | |
4 | [be] [adv] [prep] [art] period of | 11 | |
5 | [be] [adv] [prep] a period of | 6 | |
6 | [be] [adv] [prep] a period [prep] | 6 | |
7 | [be] [adv] [prep] a period of | 6 |