"I have a lot to think about." in Spanish

Tengo mucho en qué pensar.

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Literal Breakdown

English	Spanish	Learn
I have (1st person singular)	tengo	Learn
a lot	mucho	Learn
on	en	Learn
what	qué	Learn
to think	pensar	Learn

The Spanish translation for “I have a lot to think about.” is Tengo mucho en qué pensar.. The Spanish, Tengo mucho en qué pensar., can be broken down into 5 parts:"I have (1st person singular)" (tengo), "a lot" (mucho), "on" (en), "what" (qué) and "to think" (pensar).