No | Pattern | Freq | Relations |
---|---|---|---|
1 | have been [vb pp] for [det] years | 70 | |
2 | have been [vb pp] for many [noun pl] | 60 | |
3 | has been [vb pp] for [det] [noun pl] | 43 | |
4 | had been [vb pp] for [det] [noun pl] | 31 | |
5 | have been [vb pp] for [det] [noun pl] | 28 | |
6 | have been [vb pp] for some [noun pl] | 22 | |
7 | have been [vb pp] for several [noun pl] | 17 | |
8 | have been known for [det] [noun pl] | 15 | |
9 | have been used for [det] [noun pl] | 14 | |
10 | have been [vb pp] for [det] weeks | 6 | |
11 | have been established for [det] [noun pl] | 6 | |
12 | have been [vb pp] for [det] months | 5 | |
13 | have been [vb pp] for [det] centuries | 5 |