No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] a [adj] period of | 544 | |
2 | [prep] a [adj] period of | 514 | |
3 | [prep] a long [noun] of | 507 | |
4 | [prep] a long [noun sg] of | 470 | |
5 | [prep] a long period [prep] | 162 | |
6 | [prep] a long period [prep] | 162 | |
7 | [prep] a long period of | 152 | |
8 | [prep] [art] long period of | 150 | |
9 | [prep] [art] long period of | 150 | |
10 | [prep] a long period of | 140 | |
11 | [prep] a long period of | 140 | |
12 | [prep] a long period of | 140 |