Constructing an underground building in a rural area

TED Summary : Experimental Design for House

The speaker talked about the experimental design for house by a professional but not an architect. He made plan to construct the underground building. Therefore, the rural area has been chosen for his project. Also, he looked for the low price and use recycling materials to design it. The interest part in his project was using a lot of mirrors and windows. This is because that the materials can absorb the sunlight. Afterwards, it can be useful to generate the electricity. In addition, he tried to use the recycling materials as with this way it can reduce the negative effect in environment.

Hello Andika!
Allow me to give you several suggestion.


It will be better, if you use "housing" than "house"

Past perfect
You should say, "Therefore, the rural area had been chosen ..."

Simple past
You should say" This was because that the materials could absorb the sunlight."

Simple past
You should say "Afterwards, it could be useful to ..."

Simple past
You should say "materials as with this way it could reduce the negative ..."

Remember!
Can = Present
Could = Past

Hope it helps you :)