写出下列单词的现在分词形式
Model:watch watching catch________ think ________ drink________
(示范) learn________ clean________ throw________ draw________
read_________ wait_________ tell________ eat________
carry________ worry________ say________ play________
listen________ visit________ water________ open________
come________ make________ take________ hike________
write________ give________ ride________ have________
swim________ get________ begin________ shop________
sit________ run________ put_________ stop________