1) Has he seen ( "yet" : HTHT / Have/Has + S + V3 )
2) doesn't go ( She + doesn't + Vinf )
3) have already written ( HTHT : S + have/has + V3 )
4) haven't prepared ( Ms and Mrs. Brown + haven't + V3 )
5) have ever received ( ever : HTHT )
6) has taught ( since + time : HTHT )
7) Hasn't she fed ( yet : HTHT )

1) Has he seen ( "yet" : HTHT / Have/Has + S + V3 ) 2) doesn't go ( She + doesn't + Vinf ) 3) have already written ( HTHT : S + have/has + V3 ) 4) haven't prepared ( Ms and Mrs.

Giải chi tiết cho mình câu này với ạ.