Question

b choose one word family. use each word in a sentence. effective (adj) theory (n) innovative (adj) effectively (adv) theorize (v) innovate (v) effectiveness (n) theoretical (adj) innovation (n)

Explanation:

We choose the word family with "effective", "effectively", and "effectiveness". For "effective (adj)", we use it to describe a method as working well. For "effectively (adv)", we use it to modify how a task is done. For "effectiveness (n)", we refer to the quality of being effective.

Answer:

• effective: This new teaching method is very effective in improving students' grades.
• effectively: She managed to complete the project effectively within the given time.
• effectiveness: We need to measure the effectiveness of this new policy.