I don’t think so
fixed phr..fixed phr.. A polite way to say 'no' or to disagree with what someone has said. You can use it as a complete answer to a question.
fixed phr.. A fixed expression used to politely express disagreement or a negative opinion in response to a statement or yes/no question.
Is it going to rain? I don't think so.
He asked if the store was still open, but I don't think so.
When asked if the new policy would solve the underlying problem, the analyst simply replied, 'I don't think so.'
This is a common, gentle way to disagree or give a negative answer without being too direct.
Contrast with the more direct 'No' and the more formal 'I think not'; this phrase is a common, polite alternative in everyday conversation.
I no think so.I don't think so.The standard negative form for the verb 'think' in this expression requires 'do not' or 'don't'.