No | Pattern | Freq | Relations |
---|---|---|---|
1 | [vb pp] a long [noun] [prep] | 224 | |
2 | [vb pp] a [adj] period [prep] | 22 | |
3 | [vb pp] a [adj] period [prep] | 20 | |
4 | [verb] a long period [prep] | 19 | |
5 | [vb pp] a long period [prep] | 9 | |
6 | [vb pp] [art] long period [prep] | 8 | |
7 | [vb pp] a long period [prep] | 7 |