English conjugation practice
Prevent
Prevent conjugations in all tenses
Present Simple
I prevent accidents at work.
You prevent waste by reusing bags.
He prevents mistakes with a checklist.
We prevent problems before they grow.
They prevent fires with regular inspections.
Present Continuous
I am preventing a small leak right now.
You are preventing the door from closing.
He is preventing the child from running outside.
We are preventing confusion with clear signs.
They are preventing pollution in the river.
Present Perfect
I have prevented three errors today.
You have prevented a serious accident.
He has prevented the team from losing.
We have prevented damage to the garden.
They have prevented many unnecessary delays.
Present Perfect Continuous
I have been preventing problems since morning.
You have been preventing accidents on this road for years.
He has been preventing delays all week.
We have been preventing water loss since June.
They have been preventing conflicts between the groups.
Past Simple
I prevented the accident yesterday.
You prevented the glass from falling.
He prevented a mistake during the test.
We prevented trouble at the meeting.
They prevented the child from touching the wire.
Past Continuous
I was preventing damage when the alarm rang.
You were preventing a fight outside the store.
He was preventing water from entering the basement.
We were preventing delays while the manager was away.
They were preventing people from crossing the bridge.
Past Perfect
I had prevented the problem before lunch.
You had prevented a serious injury by acting quickly.
He had prevented the error before anyone noticed.
We had prevented further damage by then.
They had prevented the animals from escaping.
Past Perfect Continuous
I had been preventing accidents for months before I changed jobs.
You had been preventing conflicts long before the issue became public.
He had been preventing leaks since the repairs began.
We had been preventing waste for several years.
They had been preventing accidents before the road was closed.
Future Simple (will)
I will prevent this mistake next time.
You will prevent trouble with better planning.
He will prevent the door from opening.
We will prevent delays during the move.
They will prevent the disease from spreading.
Future Prospective (be going to)
I am going to prevent the leak tonight.
You are going to prevent many problems with this change.
He is going to prevent the children from leaving alone.
We are going to prevent flooding with a new drain.
They are going to prevent injuries by improving safety.
Future Continuous
I will be preventing accidents during the night shift.
You will be preventing errors while the software updates.
He will be preventing delays at the airport tomorrow.
We will be preventing waste throughout the event.
They will be preventing accidents on the busy street.
Future Perfect
By noon, I will have prevented the worst problems.
By then, you will have prevented several delays.
By Friday, he will have prevented the system failure.
By the end of the project, we will have prevented much waste.
By next year, they will have prevented many avoidable accidents.
Future Perfect Continuous
By July, I will have been preventing accidents here for a year.
By then, you will have been preventing problems for six months.
In December, he will have been preventing errors all year.
By August, we will have been preventing water loss for months.
By then, they will have been preventing injuries for many years.
Present Simple Negative
I do not prevent people from sharing ideas.
You do not prevent every mistake.
He does not prevent the noise at night.
We do not prevent visitors from taking photos.
They do not prevent ordinary risks.
Present Simple Question
Why do I prevent myself from trying?
How do you prevent accidents at home?
Does he prevent the dog from escaping?
How do we prevent this problem?
Do they prevent damage during storms?
Past Simple Negative
I did not prevent the accident.
You did not prevent the problem yesterday.
He did not prevent the argument.
We did not prevent the delay.
They did not prevent the illness from spreading.
Past Simple Question
Did I prevent you from speaking?
Did you prevent the fall?
Did he prevent the fire?
Did we prevent enough damage?
Did they prevent the accident last night?