No | Pattern | Freq | Relations |
---|---|---|---|
1 | [vb base] been [vb pp] for [noun pl] | 67 | |
2 | have [been] [vb pp] for [noun pl] | 66 | |
3 | [vb base] [been] used for [noun pl] | 12 | |
4 | [vb base] [been] [vb pp] for years | 10 | |
5 | [vb base] [been] [vb pp] for centuries | 8 | |
6 | [vb base] [been] made for [noun pl] | 8 |