No | Pattern | Freq | Relations |
---|---|---|---|
1 | [verb] be concerned [prep] this [noun] | 7 | |
2 | [verb] be concerned [prep] this [noun] | 7 | |
3 | [verb] be concerned [prep] this [noun sg] | 7 | |
4 | have be concerned [prep] this [noun] | 6 | |
5 | [verb] been concerned [prep] this [noun] | 6 |