* The
primary helper verbs in English are : to be, to do, to have
These
verbs help main verbs to make their tenses and become compound verbs.
Example
: is going (is = to be)
* When
questions begin with the helper verb, the compound verbs are marked as verbs in
the same way as you would mark if it had been a statement.
Example
: Is she going on a picnic with her dog?
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