present continuous and present simple

We use present continuous only with actions like( running-walking-sweeping- eating- raining)but some verbs like( know-need-want-believe-remember-understand)are not actions so we must not use present continuous. we use present simple.so we can`t say I am knowing( this is wrong) we should say I know

SEE-HEAR_SMELL_ TASTE_SEEM (we use present simple (not present continuous)with these verbs)
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Past simple tense
we use this tense to express actions that happened in the past
I travelled to London last week./ we watched a nice film on Tv 3days ago.
We also use this tense in telling stories to describe what happened in the past.
we use the second conjugation of the verb

I saw suesy last night. She wrote the report.

In questions we use did( when did u meet your friend?) (How did you go to work yesterday?)
In negative we use didn`t( Ididn`t see my dad last Friday.)

Conjugations of verbs

1- Irregular verb
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beat beat beaten
become became become
begin began begun
break broke broken
build built built
buy bought bought
catch caught caught
choose chose chosen
come came come
cut cut cut
do/does did done
draw drew drawn
drink drank drunk
drive drove driven
eat ate eaten
fall fell fallen
feed fed fed
fight fought fought
find found found
find out found out found out
fly flew flown
get got got
give gave given
go went gone
grow grew grown
has-have had had
hide hid hiden
hit hit hit
hurt hurt hurt