No | Pattern | Freq | Relations |
---|---|---|---|
1 | it be a problem [prep] | 36 | |
2 | it [be] a problem [prep] | 36 | |
3 | it [is] a problem [prep] | 26 | |
4 | it 's a problem [prep] | 14 | |
5 | it is a problem [prep] | 12 | |
6 | it [was/were] a problem [prep] | 7 | |
7 | it was a problem [prep] | 6 |