Considerandregardcan both mean ‘believe’ or ‘realise’ or ‘understand’. When they mean ‘believe’ or ‘realise’ or ‘understand’, we don’t often use the continuous forms.
Consider
Considertakes several different patterns.
Consider+that-clause
When youconsiderthat she was very scared, her story is even more remarkable.
Consider+ object +to be
Theyconsiderhim to be the best chef in the country.
Consider+ object +to have
The ministry of tradeconsideredthe company to have the best vision for exports.
We don’t useaswithconsider:
Weconsiderthisto bea very serious issue.
Not:We consider this as a very serious issue.
Regard
We often useregardin the phrase ‘regard as’:regard(+ object) +as+ noun phrase or adjective phrase:
The United Nationsregardhuman rights as their main priority.
Alexander Graham Bell isregardedas the inventor of the telephone.
Do youregardtheir behaviour as good or bad?
Typical error
We don’t usually use the continuous forms ofconsiderandregard:
When youconsiderthat he was too young, you have to blame his parents.
Not:When you are considering that he was too young…
The governmentregardsthe economy as a main priority.
Not:The government is regarding the economy…