No | Pattern | Freq | Relations |
---|---|---|---|
1 | [verb] [been] for centuries | 8 | |
2 | have [been] for centuries | 8 | |
3 | [been] [verb] for centuries | 38 | |
4 | [been] [vb pp] for centuries | 33 | |
5 | [been] [adj] for centuries | 8 | |
6 | [been] [adj] for centuries | 8 | |
7 | [been] [v-ing] for centuries | 5 |