No | Pattern | Freq | Relations |
---|---|---|---|
1 | be [prep] [adj] years ' duration | 49 | |
2 | [be] [prep] [adj] years ' duration | 49 | |
3 | is [prep] [adj] years ' [noun] | 46 | |
4 | is [prep] [adj] years [unc] duration | 45 | |
5 | is [prep] [adj] year ' duration | 45 | |
6 | [is] [prep] [adj] years ' duration | 45 | |
7 | is [prep] [adj] years ' duration | 45 | |
8 | is [prep] [adj] [noun] ' duration | 45 | |
9 | is [prep] [adj] [noun pl] ' duration | 45 |