7、注意以下表达方式中名词的复数形式 to be make friends with to change places with
to change places with
to make preparations for
to give regards to
to make matters worse
to hurt feelings
to be all smiles
to take sides
to have words with
to burst into tears
8、量词的使用：
由于英语中名词分可数与不可数，量词的使用也有区别：
修饰可数名词
few / fewer / fewest
many / more / most
a great many
many a
a number of
the number of
既可修饰可数名词 也可修饰不可数名词
a lot of / lots of
plenty of
修饰不可数名词
little / less / least
much / more / most
a great deal of
an amount of / amounts of
the amount of