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