No | Pattern | Freq | Relations |
---|---|---|---|
1 | a long period of [noun] [noun sg] | 5 | |
2 | a long period of [noun] [noun sg] | 5 | |
3 | a long period [prep] [noun] [noun sg] | 5 | |
4 | a long period [prep] [noun] [noun sg] | 5 | |
5 | a long period [prep] [noun] [noun sg] | 5 | |
6 | a long period [prep] [noun sg] [noun sg] | 5 |