No | Pattern | Freq | Relations |
---|---|---|---|
1 | [verb] [vb pp] [prep] a long [noun] | 122 | |
2 | [verb] [vb pp] [prep] a long [noun sg] | 120 | |
3 | [verb] [vb pp] [prep] a [adj] period | 28 | |
4 | [verb] [verb] [prep] a long period | 18 | |
5 | [verb] [vb pp] [prep] [art] long period | 16 | |
6 | [verb] [vb pp] [prep] a long period | 15 |