buy
现在分词/动名词
buying
过去分词
bought
# 58
常规的
purchase
indicative
|
imperfect
|
present
|
past
|
future
|
conditional
|
|
|---|---|---|---|---|
| s1 |
buy
|
bought
|
will buy
|
would buy
|
| s2 |
buy
|
bought
|
will buy
|
would buy
|
| s3 |
buys
|
bought
|
will buy
|
would buy
|
| p1 |
buy
|
bought
|
will buy
|
would buy
|
| p2 |
buy
|
bought
|
will buy
|
would buy
|
| p3 |
buy
|
bought
|
will buy
|
would buy
|
indicative
|
progressive
|
present
|
past
|
future
|
conditional
|
|
|---|---|---|---|---|
| s1 |
am buying
|
was buying
|
will be buying
|
would be buying
|
| s2 |
are buying
|
were buying
|
will be buying
|
would be buying
|
| s3 |
is buying
|
was buying
|
will be buying
|
would be buying
|
| p1 |
are buying
|
were buying
|
will be buying
|
would be buying
|
| p2 |
are buying
|
were buying
|
will be buying
|
would be buying
|
| p3 |
are buying
|
were buying
|
will be buying
|
would be buying
|
indicative
|
perfect
|
present
|
past
|
future
|
conditional
|
|
|---|---|---|---|---|
| s1 |
have bought
|
had bought
|
will have bought
|
would have bought
|
| s2 |
have bought
|
had bought
|
will have bought
|
would have bought
|
| s3 |
has bought
|
had bought
|
will have bought
|
would have bought
|
| p1 |
have bought
|
had bought
|
will have bought
|
would have bought
|
| p2 |
have bought
|
had bought
|
will have bought
|
would have bought
|
| p3 |
have bought
|
had bought
|
will have bought
|
would have bought
|
imperative
|
+/-
|
affirmative
|
negative
|
|
|---|---|---|
| s1 |
-
|
-
|
| s2 |
buy
|
don't buy
|
| s3 |
buy
|
don't buy
|
| p1 |
buy
|
don't buy
|
| p2 |
buy
|
don't buy
|
| p3 |
buy
|
don't buy
|