As...

as if - como se

as is - do jeito que está, na condição

as it stands, as it is - do jeito que está agora, do jeito que é

as long as - desde que, uma vez que, na condição de que

as much  as - por mais  que… (As much as I love this kid, I’ll have to teach him some lessons.)  / tanto quanto ( No matter how  small is the laptop you buy, it will cost at least as much as a genuine leather purse.)

as nearly as - quase, bem próximo a, aproximadamente ( As nearly as two thousand people were present…)