(课前复习类训练)Word recycling and grammar reviewing(旧词循环和语法复习).Write down the correct forms of the following words.(根据括号内要求写出下列单词的相应形式。 )1.write(名词形式)_ 2.forget(过去分词)_3.understand(过去式)_ 4.write(现在分词)_5.difficult(名词形式)_ 6.many(比较级形式)_答案:1.writer 2.forgotten 3.understood 4.writing 5.difficulty 6.more.Complete the sentence with the right word form.(用单词的适当形式填空。)1. _ (not play) games now.Please_ (do) your home