it is not safe to play with candles .是什么句式?

it is not safe to play with candles .是什么句式? It's not safe to paly with candles是什么意思? It's not (Safe)to play with matches. It is ____（safe）to play with fire. Life is too fast to play it safe.中文是什么. you ( )not play in the street.it is not safe. safe,and,to eat,it is,play with them,in fact.组成一个句子 tell the boy not to play with fire ,it is dangerous,为什么用not it's not safe playing with lamp. It is not as much fun to play with things which are bought e it is safe to say it is not easy to find groundwater that is clean and safe to