肯定句：I am watching TV.（我正在看電視）
The little monkey is eating banana.(那個(gè)小猴子正在吃香蕉.）
He is flying a kite.(他正在放風(fēng)箏.)
She is doing her homework.(她正在做她的作業(yè).）
He is sswimming at the pool.(他在水池里游泳)
一般疑問句：Is she doing?(她在干什么?）
Are you dancing?（你在跳舞嗎?）
Is he reading books at the library?（他在圖書館看書嗎?）
Are they paiying basketball?(他們?cè)诖蚧@球嗎?）
特殊疑問句：What are you doing?（你在干什么?)
who is he talking to?(他在和誰談話?）
What is she reading?（她在讀什么?）
What is the man doing?（那個(gè)男人正在做什么?）
Where is he swimming?（他在哪里游泳?)