No | Pattern | Freq | Relations |
---|---|---|---|
1 | be [vb pp] [prep] [art] long period | 15 | |
2 | be [vb pp] [prep] a long period | 14 | |
3 | be [vb pp] [prep] a long period | 14 | |
4 | be [vb pp] [prep] [art] longer period | 10 | |
5 | be [vb pp] over [art] long period | 10 | |
6 | be [vb pp] for [art] long period | 5 |