Using it properly.using是分词还是动名词?

Using it properly.using是分词还是动名词? Teamwork?Teamwork means using your comrades properly什么意思 英语翻译It is ( ) for us ( ) ( ) our teeth by using electric toothbrushes 英语翻译it is a fact that the US is using up energy faster than it is producing it 对于我们来说使用电动牙刷刷牙很容易.It's ______ for us ______ ______ our teeth by using electric toothbruses. It is inportant for us to be carefull ______ fire.A to B with C on D using 上海新世纪英语高一第二学期第三课课文~using English properly这课 The dog,_____,will be made a good watchdog.A.to train properly B.being trained properly C.properly to train D.trained properly解析是（ 过去分词短语作条件状语,相当于if it is trained properly. make sure it plays properly from a menu It is not good to play computer games properly. Doing it properly makes considerable demands on our time. electricity is very useful and we should--------(use) it properly 装GTA4,出现DFA did not initialize properly.Please make sure you are using LaunchEFLC.exe但找不到 英语翻译The product working properly is the main factor in us movingforward. 英语翻译The product working properly is the main factor in us movingforward. __________,they provide a rapid means of getting information about many people.A.Properly be used B.Properly used C.If use it properly D.Been properly used 原因要讲清楚 you can learn by using it I'm not using it anyhow 翻译