No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] a long period of [noun sg] | 112 | |
2 | [prep] a long period of time | 88 | |
3 | over a long period of [noun sg] | 72 | |
4 | over a long period of [noun sg] | 72 | |
5 | for a long period of [noun sg] | 17 | |
6 | for a long period of [noun sg] | 17 | |
7 | after a long period of [noun sg] | 9 | |
8 | after a long period of [noun sg] | 9 |