No | Pattern | Freq | Relations |
---|---|---|---|
1 | how difficult it [be] for [noun] | 10 | |
2 | how difficult it be for [noun] | 10 | |
3 | how difficult it [be] for [noun] | 10 | |
4 | how difficult it [be] for [noun] | 10 | |
5 | how difficult it is for [noun] | 8 | |
6 | how difficult it [is] for [noun] | 8 | |
7 | how difficult it [be] for [noun pl] | 7 |