No | Pattern | Freq | Relations |
---|---|---|---|
1 | [verb] [adv prt] [art] long period of | 6 | |
2 | [adv prt] [art] long period of [noun sg] | 8 | |
3 | [adv prt] [art] long period of [noun] | 8 | |
4 | [adv prt] [art] long period of time | 8 | |
5 | [adv prt] [art] long period of time | 8 |