Yes it is correct, She always loses her keys
Answer:
Es el primer dentista en trabajar aquí.
Explanation:
according to Google translate, the correct spanish equivalent of;
"He is the first dentist to work here" is;
" Es el primer dentista en trabajar aquí.".
reference: Google translator mobile app
<em>Costar- </em><em>the meaning is cost or like how much some one charges you for something.</em>
<em>Estar- </em><em>is "be" like for example when you say I'm going to "be" at my friends house then "be" would be estar</em>
<em>Ir- </em><em>means "go", I'm going to go to the beach.</em>
<em>Dar- </em><em>is "give", I want to "give" this to you.</em>
<em>Recibir- </em><em>means "receive", Did you "receive" my text?</em>
<em> </em><em>Sentences:</em>
<em>1. Cuanto </em><u><em>cuesta </em></u><em>eso?</em>
<em>2. Yo voy a </em><u><em>estar</em></u><em> en casa de mis amigos.</em>
<em>3. Yo voy a </em><u><em>ir </em></u><em>a la playa.</em>
<em>4. Te quiero </em><u><em>dar </em></u><em>este collar.</em>
<em>5. </em><u><em>Recibistes </em></u><em>mi texto?</em>
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<em>Hope it helps, :)</em>
Your formal singular in Spanish is -tu singular formal-