他现在正在干什么英语怎么说

"What is he doing now?" is a common question to ask someone about their current activity. The sentence structure is "What + auxiliary verb "is" + pronoun "he" + present participle verb "doing" + adverb "now".
Here are some example sentences:
"What is he doing now?"
"Can you tell me what he is up to right now?"
"I wonder what he is doing at this moment."
Their Chinese translations:
"他现在正在干什么？"
"你能告诉我他现在正在做什么吗？"
"我想知道他现在正在做什么。"