Base
I think it is a good idea.
Think gives an opinion in the present.
Past Tense of Think: Thought
Think is an irregular verb. The past and the past participle are the same word: thought. Do not add -ed to think.
Base
think
Past
thought
Past participle
thought
Third person: thinks · -ing form: thinking
ABB: form patternExamples
Base
What do you think about this film?
After do, the verb stays as think.
Past
She thought the test was easy.
Thought is the past form; it needs no helper.
Past
We thought about moving to the city.
Think about means consider an idea.
Past participle
I have thought about it a lot.
After have, the participle is also thought.
Past participle
He has thought of a new name for his dog.
Think of means find an idea.
Usage notes
Think of or think about?
Think about means to consider something for a time: I am thinking about my vacation. Think of means to come up with or remember something: I cannot think of his name. To ask for an opinion you can use either: What do you think of this film? What do you think about this film?
Pronunciation
Thought is pronounced /θɔt/ and rhymes with bought. The gh is silent.
Common mistakes
I thinked about it.
I thought about it.
Think is irregular: the past is thought, never thinked.
She has think of a plan.
She has thought of a plan.
After has or have, use the past participle thought.
I am thinking it is good.
I think it is good.
To give an opinion, use the simple form think, not the -ing form.
Practise this verb
0/8
Choose the right form
Choose the form that completes each English sentence.
1.Do you ___ it will rain tomorrow?
2.Last night we ___ about our trip.
3.She has ___ about it all week.
4.Right now, my brother ___ that English is fun.
Write the missing form
Type the correct form of think in each sentence.
Correct the mistake
Rewrite the English sentence with the correct verb form.
8.Choose the mistake in this sentence.
Answer key
1. Do you ___ it will rain tomorrow?
Answer: think
After do, the verb stays in the base form think.
2. Last night we ___ about our trip.
Answer: thought
Last night is past, so use thought.
3. She has ___ about it all week.
Answer: thought
After has, use the participle thought.
4. Right now, my brother ___ that English is fun.
Answer: thinks
Right now is present and brother takes thinks.
5. I have ___ of a good answer.
Answer: thought
Have plus the past participle is have thought.
6. She ___ the film was long.
Answer: thought
The past form is thought.
7. What do you ___ about this song?
Answer: think
After do, the verb stays in the base form.
8. I thinked it was easy.
Answer: I thought it was easy.
The past form is thought, not thinked.
Frequently asked questions
What is the past tense of think?
The past tense of think is thought: I thought about you yesterday.
What is the past participle of think?
The past participle of think is also thought: I have thought about it.
What is the difference between think of and think about?
Think about means consider something for a time. Think of means come up with or remember something. Both can ask for an opinion.