Sentence Forms in English

English grammar recognizes 12 main tenses, formed by combining three time periods (present, past, future) with four aspects (simple, continuous, perfect, perfect continuous).

Present Tenses
Simple Present: Habits or facts (e.g., "She walks daily.").

Present Continuous: Ongoing now (e.g., "She is walking.").

Present Perfect: Completed with present link (e.g., "She has walked.").

Present Perfect Continuous: Ongoing from past to now (e.g., "She has been walking.").

Past Tenses
Simple Past: Completed actions (e.g., "She walked.").

Past Continuous: Ongoing in the past (e.g., "She was walking.").

Past Perfect: Completed before another past action (e.g., "She had walked.")

Past Perfect Continuous: Ongoing before another past point (e.g., "She had been walking.")

Future Tenses
Simple Future: Will happen (e.g., "She will walk.").

Future Continuous: Ongoing in future (e.g., "She will be walking.")

Future Perfect: Completed by future point (e.g., "She will have walked.").

Future Perfect Continuous: Ongoing up to future point (e.g., "She will have been walking.").

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