It is formed with the verb BE and a present participle: BE + (verb + ing).
Use to:
Present Simple
Use to:
To express habits and routines, general facts, repeated actions or
situations, emotions and permanent desires:
How to use
If the verb ends in es, ch or x must be added -e-s- at the end of the verb to avoid the
clash of consonants. If the verb ends in "and" it is deleted and "ies" is added at the
end of the verb.