English grammar master in 30 days a step by step guide for a strong English foundation

Participle
(s-form)
(ing-form)
act
acts
acting
acted
erase
erases
erasing
erased
reach
reaches
reaching
reached
2. Irregular Verbs form their past tense and past participle in the different way.
3. Linking Verbs are used to link or join the subject with the word in the predicate which
relates to the subject.
A. Verbs to be (am, is, are, was, and were) are the most commonly used linking verbs.
B. Verbs of the senses: 
Become
sound
seem
remain
look
Smell
appear
feel
taste
hear
* My favorite subject is English.
* He looks great in his green jacket.
* My husband became a lawyer in 2016
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4. Verb Phrase a verb be made up of a phrase instead of a single word, the verb form at
the end of the verb phrase is always the principal verb.
The others are called auxiliary verbs or helping verbs.
List of commonly used auxiliary verbs
Am
have been
could
Is
had been
would
Are
has been
should
Was
shall
must
Were
will
should have
Will be
do
would have
Shall be
did
must have
Could be
does
should have been
Have
may
could have been
Has
can
must have been
Had
might