No | Pattern | Freq | Relations |
---|---|---|---|
1 | [vb -s] [verb] [prep] [art] period of | 11 | |
2 | [vb -s] [verb] [prep] [art] period [prep] | 11 | |
3 | [vb -s] [verb] [prep] [art] period of | 11 | |
4 | [vb -s] [vb pp] [prep] [art] period [prep] | 10 | |
5 | has [verb] [prep] [art] period [prep] | 10 | |
6 | [vb -s] [verb] [prep] a period [prep] | 8 | |
7 | [vb -s] [verb] over [art] period [prep] | 5 |