No | Pattern | Freq | Relations |
---|---|---|---|
1 | it must [verb] been [det] [noun] | 19 | |
2 | it must [vb infin] [been] [det] [noun] | 19 | |
3 | it must [verb] [been] [det] [noun] | 19 | |
4 | it must [verb] [been] [det] [noun] | 19 | |
5 | it must have [been] [det] [noun] | 19 | |
6 | it must have [been] [det] [noun] | 18 | |
7 | it must [verb] [been] [det] [noun sg] | 14 | |
8 | it must [verb] [been] some [noun] | 12 | |
9 | it must [verb] [been] [det] [noun pl] | 5 |