No | Pattern | Freq | Relations |
---|---|---|---|
1 | [be] [adv] a [adj] period [prep] | 7 | |
2 | [be] [adv] a [adj] period [prep] | 7 | |
3 | be [adv] a [adj] period [prep] | 7 | |
4 | [be] [adv] a [adj] period of | 5 | |
5 | [be] [adv] a [adj] period [prep] | 5 | |
6 | [be] [adv] a [adj] period of | 5 |