Multiple choice

Having ________ about your suggestion for a few days, I've decided to support the project.

  1. thought

  2. thinking

  3. think

  4. thinks

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This sentence uses a perfect participle clause to describe an action that happened before the main clause. The structure 'Having + past participle' is required here, making 'thought' the correct choice. Other options like 'thinking' or 'think' do not fit this grammatical pattern.