Breakdown of Lo que necesitamos es un toldo grande para la calle.
ser
to be
un
a, an (masculine)
necesitar
to need
grande
big
Questions & Answers about Lo que necesitamos es un toldo grande para la calle.
Why use lo que necesitamos es instead of just saying necesitamos un toldo grande?
This structure is called a pseudo-cleft sentence, and we use it to add emphasis. By using lo que (what / the thing that) at the beginning, you build anticipation and focus the listener's attention specifically on the object that follows the verb es (un toldo grande). It highlights the exact thing that is needed.
Why can't I use qué instead of lo que to mean 'what' here?
Why do we use para instead of por in para la calle?
Why is the verb es singular when necesitamos is plural ('we need')?