彼女はあなたが送った花を喜んでいました。

she; her; her; girlfriend; sweetheart

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

you (referring to someone of equal or lower status); dear (what a wife calls a husband)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

to send (a thing); to dispatch; to despatch; to transmit; to take or escort (a person somewhere); to see off (a person); to bid farewell (to the departed); to bury; to spend (time); to live one's life; to pass (down the line); to affix okurigana

flower; blossom; bloom; petal; cherry blossom; beauty; blooming (esp. of cherry blossoms); ikebana; Japanese playing cards; beauty; (the) best

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to be delighted; to be glad; to be pleased; to congratulate; to gratefully accept