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Grammar Present, Past, Future Tenses

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  • The programmers __________ (still/debug) the system when the client __________ (arrive).
    were still debugging, arrived
  • He should ___ (install) the patch, but he forgot.
    have installed
  • New technologies __________ (shape) the way people communicate for decades.
    have been shaping
  • You should ___ (update) your antivirus — now your computer is at risk.
    have updated
  • While many people __________ (worry) about privacy, few actually __________ (read) the terms of service.
    worry, read
  • The machine __________ (not operate) properly because it __________ (damage) during transport.
    was not operating, had been damaged
  • The company __________ (implement) a new chatbot that __________ (answer) customer queries automatically.
    has implemented, answers
  • Before the hackers __________ (break) into the database, the IT team __________ (already/notice) suspicious activity.
    broke, had already noticed
  • They __________ (always/ leave) the lights on — it drives me crazy!
    are always leaving
  • The digital divide __________ (still/exist) even though governments __________ (try) to close it for years.
    still exists, have been trying
  • After users __________ (try) the beta version, they __________ (send) detailed feedback to the developers.
    had tried, sent
  • At this time tomorrow, the AI assistant __________ (process) thousands of voice commands.
    will be processing
  • AI-generated art __________ (become) a controversial topic ever since it __________ (appear) online
    has become, appeared
  • While the engineer __________ (test) the new system, the server suddenly __________ (crash).
    was testing, crashed
  • You might ___ (consult) a cybersecurity expert before the breach occurred.
    have consulted
  • When I __________ (log in) yesterday, I __________ (notice) a completely new interface
    logged in, noticed
  • The conference __________ (begin) at 9 a.m., but most attendees __________ (arrive) late.
    began, arrived
  • By the end of this decade, AI ethics committees __________ (play) a major role in regulating technology.
    will have been playing
  • This platform __________ (use) machine learning to predict trends since it __________ (launch) in 2021.
    has used, was launched
  • The robot __________ (repair) the engine while the technician __________ (supervise) the process.
    was repairing, was supervising
  • The AI system must ___ (detect) the anomaly earlier, but it didn’t.
    have detected
  • Most users __________ (not realize) that their data __________ (collect) in real time.
    don’t realize, is being collected
  • When I first __________ (hear) about quantum computing, I __________ (not understand) how powerful it could be.
    heard, didn’t understand
  • If society __________ (rely) too heavily on automation, critical thinking skills __________ (decline).
    relies, will decline
  • You __________ (use) my laptop without asking, haven’t you?
    have been using
  • The manager __________ (wonder) why the updates __________ (not install) overnight.
    was wondering, had not been installed
  • I __________ (follow) this AI research project since it __________ (start).
    have been following, started
  • The researchers __________ (analyze) user behavior since the update __________ (release).
    have been analyzing, was released
  • As soon as the app __________ (load), users __________ (able) to access personalized recommendations.
    loads, will be able
  • By 2030, social media algorithms __________ (influence) people’s opinions for more than two decades.
    will have influenced
  • The report __________ (not finish) yet because the data __________ (still/process).
    has not been finished, is still being processed
  • Developers __________ (work) on this cybersecurity project for months before they finally __________ (launch) it.
    had been working, launched