1.Sheplaysthepianobeautifully.
主语+谓语+宾语
2.Iamgoingtothestoretobuysomegroceries.
主语+谓语+介词短语
3.Theweatherwasperfectforadayatthebeach.
主语+谓语+形容词短语
4.Theyhavebeenworkingonthisprojectformonths.
主语+谓语+助动词+动词+介词短语
5.Learninganewlanguagecanbechallenging,butalsoveryrewarding.
动名词主语+谓语+形容词但也是非常值得。