No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] a longer period [conj] | 15 | |
2 | [prep] a longer period than | 12 | |
3 | [prep] a longer period [subord] | 12 | |
4 | [prep] a longer period than | 12 | |
5 | for a longer period [conj] | 7 | |
6 | for a longer period [conj] | 7 | |
7 | over a longer period [conj] | 6 | |
8 | over a longer period [conj] | 6 |