No | Pattern | Freq | Relations |
---|---|---|---|
1 | is [verb] [prep] [det] [noun] | 2324 | |
2 | difficult [verb] [prep] [det] [noun] | 83 | |
3 | is difficult [verb] [det] [noun] | 64 | |
4 | is difficult [verb] [prep] [det] | 47 | |
5 | is difficult [verb] [prep] [noun] | 47 | |
6 | is difficult [prep] [det] [noun] | 17 |