The use of commas with 'as well as' is necessary.
French, as well as English, were taught there. The verb 'were' is incorrect.
As well as can be used instead of And.
Mary, as well as her sister, .......... to travel to Italy.
wants
want
does want
Critical thinking helps us reinforcing deep thinking as well as .......... problems.
solving
solve
to solve
Speaking skill ................... is a productive skill.
. as well as writing skill,
, as well as writing skill,
, as well as writing skill.
.........., as well as adjectives, constitute Noun phrases.
Noun
The noun
Nouns