Él está trabajando.
trabajo
Está Ud. trabajando en mayo.('I am working in May' would instead be: Estoy trabajando en mayo.)
Esta haciendo ejercicio
"Yo estoy trabajando"
Son trabajadores
¿Trabajas duro?
To say 'I have a microwave' in Spanish, you would say 'Tengo una microonda.'
The commonest way to say that would be "Paso mucho tiempo trabajando".
To say 'I have a notebook' in Spanish, you would say 'Tengo un cuaderno.'
Translation does not work well without the context of a full sentence. You would need information on who is working to be accurate. If you mean "I am working with you", at the present time, you could say "estoy trabajando con tigo". If you mean something like "I enjoy working with you", then you would not use the progressive tense. It would be "Disfruto trabajar contigo".
mi calefacción del coche no está funcionando thats how you say it in spanish
To say 'furniture shop' in Spanish, you would say 'muebleria.'