havingbeendoing是什麼時態

What? Jews having been doing it on Christmas since forever.

什麼？猶太人向來都是這樣過聖誕節的.。

He was full of his new job and everything he'd been doing.

他滔滔不絕地談他的新工作和所做的一切。

So, what have you been doing today?

那你今天都幹什麼了？

He's been doing the same job for 50 years ─ man and boy.

他從小就幹着同一份工作，有50年了。

What have you been doing this week?

你這個星期都在做些什麼？