Final answer:
The sentence 'Decido trabajo ahora' is incorrect. To say 'I am working now' in Spanish, you can use 'Estoy trabajando ahora'.
Step-by-step explanation:
The sentence 'Decido trabajo ahora' is incorrect.
'Decido' is the first person singular present tense form of the verb 'decidir' which means 'to decide'. However, it does not make sense to use this verb in the context of 'trabajo' which means 'work' in Spanish.
To say 'I am working now' in Spanish, you can use 'Estoy trabajando ahora'.
Learn more about Spanish grammar