اعراب وصلت الطاءره في موعدها

The plane arrived on time. “Arrived” is a past tense verb with a fathah and a feminine ta. “The plane” is the subject in the nominative case with a visible dammah. “In” is a preposition without an arabic case. “Its time” is a genitive noun with a kasrah and its marker is a kasrah as well as a pronoun in the genitive case added to it.