No | Pattern | Freq | Relations |
---|---|---|---|
1 | 's [been] a [noun] | 325 | |
2 | 's [been] a [noun sg] | 319 | |
3 | [verb] [been] a problem | 54 | |
4 | have [been] a problem | 54 | |
5 | [vb -s] [been] a problem | 21 | |
6 | 's [been] [art] problem | 6 | |
7 | 's [been] [art] problem | 6 | |
8 | 's [been] a problem | 5 | |
9 | 's [been] a problem | 5 | |
10 | 's [be] a problem | 5 |