Sentence improvement (correlative conjunction and tense): correct the structure “never … nor …” across time Original sentence: "He never has and ever will take such strong measures." Choose the option that best corrects tense and correlation.

Given data

• Target meaning: He has not done this in the past and will not do so in the future.
• Original uses mismatched “never has and ever will …” without a correlative conjunction.

Concept/Approach
Negated coordination across time is expressed with the correlative pair neither … nor … (or an equivalent “never … nor …”). Past reference typically uses had + past participle when contrasting with a future clause: “had never taken, nor will (he) ever take …”.

Step-by-step reasoning
Choose the option that supplies (i) the correct negative correlative “nor” and (ii) appropriate tense contrast: had taken nor will ever take (to be read as “had never taken nor will ever take”).

Option analysis
had taken nor will ever take — provides the needed “nor” and past-vs-future contrast. ✅had taken and will ever take — lacks correlative “nor” and misuses “ever”.has and never will take — incomplete/ill-formed coordination; missing a past participle after “has”.had and ever will take — ungrammatical auxiliaries without complements.No correction required — original is faulty.

Common pitfalls

• Forgetting to use nor after a negative like “neither/never”.
• Pairing auxiliaries without their required complements.

Final Answer
… had taken nor will ever take such strong measures.