No | Pattern | Freq | Relations |
---|---|---|---|
1 | have been concerned for some | 6 | |
2 | [verb] been concerned for some | 6 | |
3 | been concerned for some [noun] | 6 | |
4 | been concerned for some time | 5 | |
5 | been concerned for some [noun sg] | 5 | |
6 | been concerned for some time | 5 |