English Grammar Essentials: Tenses & Prepositions Reference

Written on July 5, 2025 in English with a size of 5.58 KB

English Verb Tenses: Forms & Time Expressions

Master the essential English verb tenses with their common forms and associated time expressions. This section provides a quick reference for understanding when and how to use each tense effectively.

Present Simple

Example Form (to be): I am / He/She/It is
Common Time Expressions: always, usually, often, sometimes, never, every day

Present Continuous

Example Form (to be): I am being / He/She/It is being
Common Time Expressions: now, at the moment, right now, currently

Past Simple

Example Form (to be): I was / He/She/It was
Common Time Expressions: yesterday, last week, ago, in 2010

Past Continuous

Example Form (to be): I was being / He/She/It was being
Common Time Expressions: while, when, as, at that moment

Present Perfect

Example Form (to be): I have been / He/She/It has been
Common Time Expressions: just, already, yet, ever, never, so far, since, for

Past Perfect

Example Form (to be): I had been / He/She/It had been
Common Time Expressions: before, after, by the time

Future Simple

Example Form (to be): I will be / He/She/It will be
Common Time Expressions: tomorrow, next week, in the future, soon

Future Continuous

Example Form (to be): I will be being / He/She/It will be being
Common Time Expressions: this time tomorrow, at 5 PM, in a few hours

Future Perfect

Example Form (to be): I will have been / He/She/It will have been
Common Time Expressions: by, before, in (a time period), by the end of the day

Present Perfect Continuous

Example Form (to be): I have been being / He/She/It has been being
Common Time Expressions: for, since, lately, recently, all day

Past Perfect Continuous

Example Form (to be): I had been being / He/She/It had been being
Common Time Expressions: for, since, before, until then

Future Perfect Continuous

Example Form (to be): I will have been being / He/She/It will have been being
Common Time Expressions: for, since, by, before

English Prepositions: Meanings & Usage Keywords

Understand the core meanings and common usage contexts for essential English prepositions. This section helps clarify how to use prepositions correctly in various situations.

in

Keywords: inside, within, at home, country, city, room

on

Keywords: surface, top, at, day, date

at

Keywords: specific time, place, event, location

under

Keywords: beneath, below, lower

over

Keywords: above, higher, across, too much

between

Keywords: two, middle, in the center

next to

Keywords: beside, adjacent, nearby

behind

Keywords: at the back, rear

in front of

Keywords: ahead, before, facing

through

Keywords: inside, across, movement, from one end to another

across

Keywords: from side to side, opposite

above

Keywords: higher, on top of, beyond

below

Keywords: beneath, under, lower, downward

with

Keywords: together, alongside, accompanying

without

Keywords: absence, lacking, not having

for

Keywords: purpose, recipient, duration, future

to

Keywords: direction, destination, recipient, motion

from

Keywords: origin, source, starting point

by

Keywords: proximity, means, action, agent, time

about

Keywords: concerning, topic, related

during

Keywords: time period, event, action

until

Keywords: up to, time limit, deadline

after

Keywords: following, sequence, later

before

Keywords: earlier, prior, preceding

along

Keywords: path, direction, side, edge

around

Keywords: nearby, in the area, circular, movement

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