No | Pattern | Freq | Relations |
---|---|---|---|
1 | [verb] [been] used for [adj] of | 6 | |
2 | have [been] used for [adj] of | 6 | |
3 | [been] used for [adj] of [noun] | 5 | |
4 | [been] used for [adj] of year | 5 | |
5 | [been] used for [adj] of years | 5 | |
6 | [been] used for [adj] of [noun pl] | 5 |