There are a few possibilities for this. A banana can be translated as 'un plátano' or 'una banana'. In addition, I am eating can be said as 'como' or 'estoy comiendo'. One is the present indicative tense and the other is the present progressive.
That said, the answer(s) to your question is:
Como un plátano.
Como una banana.
Estoy comiendo un plátano.
Estoy comiendo una banana.
To say 'I eat pizza' in Spanish, you would say 'Como pizza.'
To say 'I eat bread' in Spanish, you would say 'Yo como pan.'
To say 'I eat paper' in Spanish, you would say 'Yo como papel.'
If you mean banana in Spanish it is el plátano.
grande is big in Spanish. pronounciation (grondeh)
To say 'I have to eat meat' in Spanish, you would say 'Tengo que comer carne.'
Comerthe verb Comer means to eat.
To say 'I want to eat flan' in Spanish, you would say 'Yo quiero comer flan.'
Como mi desayuna :) Como is I Eat. In spanish you don't say i have my breakfast you have to say i eat my breakfast :D
comer
grande
grande