No | Pattern | Freq | Relations |
---|---|---|---|
1 | [noun] [modal v] be traced | 205 | |
2 | origin [modal v] be [verb] | 20 | |
3 | origin [modal v] be [vb pp] | 19 | |
4 | origin [modal v] [be] traced | 5 | |
5 | origin [modal v] be trace | 5 | |
6 | origin [modal v] [be] traced | 5 | |
7 | origin [modal v] be traced | 5 |