understand
现在分词/动名词
understanding
过去分词
understood
# 46
常规的
realize
·
realise
·
see
·
read
indicative
|
imperfect
|
present
|
past
|
future
|
conditional
|
|
|---|---|---|---|---|
| s1 |
understand
|
understood
|
will understand
|
would understand
|
| s2 |
understand
|
understood
|
will understand
|
would understand
|
| s3 |
understands
|
understood
|
will understand
|
would understand
|
| p1 |
understand
|
understood
|
will understand
|
would understand
|
| p2 |
understand
|
understood
|
will understand
|
would understand
|
| p3 |
understand
|
understood
|
will understand
|
would understand
|
indicative
|
progressive
|
present
|
past
|
future
|
conditional
|
|
|---|---|---|---|---|
| s1 |
am understanding
|
was understanding
|
will be understanding
|
would be understanding
|
| s2 |
are understanding
|
were understanding
|
will be understanding
|
would be understanding
|
| s3 |
is understanding
|
was understanding
|
will be understanding
|
would be understanding
|
| p1 |
are understanding
|
were understanding
|
will be understanding
|
would be understanding
|
| p2 |
are understanding
|
were understanding
|
will be understanding
|
would be understanding
|
| p3 |
are understanding
|
were understanding
|
will be understanding
|
would be understanding
|
indicative
|
perfect
|
present
|
past
|
future
|
conditional
|
|
|---|---|---|---|---|
| s1 |
have understood
|
had understood
|
will have understood
|
would have understood
|
| s2 |
have understood
|
had understood
|
will have understood
|
would have understood
|
| s3 |
has understood
|
had understood
|
will have understood
|
would have understood
|
| p1 |
have understood
|
had understood
|
will have understood
|
would have understood
|
| p2 |
have understood
|
had understood
|
will have understood
|
would have understood
|
| p3 |
have understood
|
had understood
|
will have understood
|
would have understood
|
imperative
|
+/-
|
affirmative
|
negative
|
|
|---|---|---|
| s1 |
-
|
-
|
| s2 |
understand
|
don't understand
|
| s3 |
understand
|
don't understand
|
| p1 |
understand
|
don't understand
|
| p2 |
understand
|
don't understand
|
| p3 |
understand
|
don't understand
|
这些动词的意思相似
understand