No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] be [vb pp] [prep] a [noun] | 1986 | |
2 | [prep] be [vb pp] [prep] a [noun sg] | 1878 | |
3 | [prep] be [vb pp] [prep] [art] period | 23 | |
4 | [prep] be [vb pp] [prep] [art] period | 23 | |
5 | [prep] [be] [vb pp] [prep] a period | 19 | |
6 | [prep] be [verb] [prep] a period | 19 | |
7 | [prep] be [vb pp] [prep] a period | 19 | |
8 | [prep] be [vb pp] [prep] a period | 17 | |
9 | [prep] [be] [vb pp] [prep] a period | 17 | |
10 | [prep] be [vb pp] [prep] a period | 17 | |
11 | [prep] be [vb pp] [prep] a period | 17 |