英语的否定形式大都离不开副词not, 这对于绝大多数同学来说是小case一桩。但是，阅读里常有些隐身的否定，即，把否定词Not隐去，换成貌似‘肯定’的副词, 形容词或动词，这就很容易被考生忽略，在此举例如下：

1) seldom, hardly, scarcely, barely, rarely

2) 抹去a 的few, little

3) lack = not exist

4) odourless = not smell

5) fail to do = not do

看几个例句：

Asian students seldom participate in community activities.

Hardly do the Asian students take part in the community activities.

Lack of driving skill has allowed him to take advantage of public transport.

The local authority failed to harness the delinquency.

Little public resource has been allocated to the aged care.

We teach to achieve only.