No | Pattern | Freq | Relations |
---|---|---|---|
1 | [modal v] vary [prep] time to time | 11 | |
2 | [modal v] vary from time to time | 11 | |
3 | [modal v] vary from time to time | 11 | |
4 | [modal v] vary [prep] time to time | 11 | |
5 | [vb mod] vary [prep] time to time | 11 | |
6 | will vary [prep] time to time | 7 | |
7 | will vary [prep] time to time | 7 |