(1) How long has he watched the film in the house?
(2) He has seen the film for about forty minutes in the house
(3) I have shaved my beard cleanly
(4) You have not shaved your beard cleanly,please had your beard shaved afresh
(5) I am shaving my beard / moustache now / I had my moustache shaved just now 恩，谢谢帮忙，shave可以做及物动词，也可以做不及物动词，看到有直接写 I am shaving 的，也行吧。谢谢shave及物动词 vt. & 不及物动词 vi.1.(用剃刀)刮(胡须等); 为(某人)剃毛发 I shave every morning.我每天早上刮脸。He shaved his head bald.他把头发剃光了。及物动词 vt.1.刨(木头等); 削; 刮 I shaved a few millimetres from the bottom of the door to make it close properly.我把这门的底部薄薄地刨去几毫米使它能关严。2.〈口〉掠过, 擦过(某人或某物) The car just shaved the wall while it was cornering.汽车在拐弯时恰好擦过墙边。名词 n.1.剃, 刮 A sharp razor gives a close shave.剃刀锋利刮得就干净。不及物动词 vi.1.（少量地）削减，调低，降价恩。我觉得都是对的吧，刚刚查了下，新概念上口语，还有一些英语资料上，也有，I am shaving 不及物这样写的，及物和不及物，都是有的英语动词，绝对的及物动词，和绝对不及物动词，是很少的，大部分动词，都是即可做及物，也可以做不及物动词使用的希望明白，并采纳，谢谢！