No | Pattern | Freq | Relations |
---|---|---|---|
1 | [noun sg] [vb past] [adv] a period [prep] | 9 | |
2 | [noun sg] [vb past] [adv prt] a period [prep] | 9 | |
3 | [noun sg] [vb past] [adv] a period of | 9 | |
4 | [noun sg] [vb past] [adv] a period of | 9 | |
5 | [noun sg] [vb past] over a period [prep] | 8 | |
6 | [noun sg] [vb past] over a period [prep] | 8 |