Question

we should have turned left.

-add question tag.

Answer 1

Answer:

We should have turned left, shouldn't we?

Explanation:

Answer 2

The correct answer is: Shouldn't we have turned left?

• Here, in the given sentence we have been instructed to add a question tag and make the sentence an interrogative sentence.
• As we know, the definition of an interrogative sentence is that the sentence asks a question and has a question mark at the end of the sentence.
• As we know, here in the given situation the sentence is an assertive or declarative sentence.
• Here, the tense of the sentence is present perfect tense. The verb is 'have turned' in the given sentence.
• Hence, the correct answer is: Shouldn't we have turned left?