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