No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] [adj] and a period of | 8 | |
2 | [prep] [adj] and a period of | 8 | |
3 | to [adj] and a period of | 7 | |
4 | to [adj] and a period of | 7 | |
5 | [adj] [noun] and a period of | 5 | |
6 | [adj] and a period of [adj] | 7 | |
7 | [adj] and a period of [num] | 6 |