lock

Regular
Infinitive
lock
Past Simple
locked
Past Participle
locked
-ing Form
locking
3rd Person
locks
lock locks locking locked

Lock means to fasten with lock. Regular: lock-locked-locked.

Meanings

  • To fasten with lock
  • To become fixed
  • To store securely

Common Collocations

lock up lock in lock out under lock and key lock horns

Tip for Learners

Lock in = secure (price/rate). Lock out = prevent entry. Lock horns = argue.
Present Simple
I lock
you lock
he/she/it locks
we lock
they lock
Examples - Present Simple
  • I lock the door every night before going to bed.
  • You lock your valuables in the safe always.
  • She locks her bike to the rack at work.
  • We lock the office when everyone leaves.
  • They lock the gates at sunset every day.
Present Continuous
I am locking
you are locking
he/she/it is locking
we are locking
they are locking
Examples - Present Continuous
  • I am locking the door behind me right now.
  • You are locking in your profits wisely.
  • He is locking the storage room as we speak.
  • We are locking down the security protocols.
  • They are locking the building for the night.
Present Perfect
I have locked
you have locked
he/she/it has locked
we have locked
they have locked
Examples - Present Perfect
  • I have locked all the windows securely.
  • You have locked yourself out again somehow.
  • She has locked away her most precious memories.
  • We have locked in the best interest rate.
  • They have locked down the facility completely.
Present Perfect Continuous
I have been locking
you have been locking
he/she/it has been locking
we have been locking
they have been locking
Examples - Present Perfect Continuous
  • I have been locking up every night for years.
  • You have been locking your emotions away.
  • He has been locking the doors all week.
  • We have been locking down systems all day.
  • They have been locking up the premises nightly.
Past Simple
I locked
you locked
he/she/it locked
we locked
they locked
Examples - Past Simple
  • I locked the front door before leaving.
  • You locked the keys inside the car.
  • She locked eyes with him across the room.
  • We locked in a great deal yesterday.
  • They locked the prisoners in their cells.
Past Continuous
I was locking
you were locking
he/she/it was locking
we were locking
they were locking
Examples - Past Continuous
  • I was locking the door when I heard a noise.
  • You were locking the safe when interrupted.
  • He was locking up when the alarm went off.
  • We were locking down when the threat passed.
  • They were locking the gates when we arrived.
Past Perfect
I had locked
you had locked
he/she/it had locked
we had locked
they had locked
Examples - Past Perfect
  • I had locked the door before he tried to enter.
  • You had locked your keys in before realizing.
  • She had locked away her jewelry before the trip.
  • We had locked in the price before it rose.
  • They had locked the building before the storm.
Past Perfect Continuous
I had been locking
you had been locking
he/she/it had been locking
we had been locking
they had been locking
Examples - Past Perfect Continuous
  • I had been locking up for years before retiring.
  • You had been locking yourself away for months.
  • He had been locking the premises nightly.
  • We had been locking down systems all week.
  • They had been locking in rates for clients.
Future Simple
I will lock
you will lock
he/she/it will lock
we will lock
they will lock
Examples - Future Simple
  • I will lock the door when I leave tonight.
  • You will lock in your gains before the drop.
  • She will lock her bike outside the store.
  • We will lock the office after the meeting.
  • They will lock down the area for security.
Future Continuous
I will be locking
you will be locking
he/she/it will be locking
we will be locking
they will be locking
Examples - Future Continuous
  • I will be locking up at midnight tonight.
  • You will be locking in investments all year.
  • He will be locking the facility during his shift.
  • We will be locking down protocols throughout.
  • They will be locking the gates every evening.
Future Perfect
I will have locked
you will have locked
he/she/it will have locked
we will have locked
they will have locked
Examples - Future Perfect
  • I will have locked everything by the time you arrive.
  • You will have locked in the deal by deadline.
  • She will have locked her valuables safely.
  • We will have locked down all systems by launch.
  • They will have locked all exits by then.
Future Perfect Continuous
I will have been locking
you will have been locking
he/she/it will have been locking
we will have been locking
they will have been locking
Examples - Future Perfect Continuous
  • I will have been locking up for thirty years.
  • You will have been locking in profits for decades.
  • He will have been locking doors for years.
  • We will have been locking down systems for months.
  • They will have been locking the premises nightly.
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