present
|
past
|
future
|
conditional
|
|
---|---|---|---|---|
s1 |
check
|
checked
|
will check
|
would check
|
s2 |
check
|
checked
|
will check
|
would check
|
s3 |
checks
|
checked
|
will check
|
would check
|
p1 |
check
|
checked
|
will check
|
would check
|
p2 |
check
|
checked
|
will check
|
would check
|
p3 |
check
|
checked
|
will check
|
would check
|
present
|
past
|
future
|
conditional
|
|
---|---|---|---|---|
s1 |
am checking
|
was checking
|
will be checking
|
would be checking
|
s2 |
are checking
|
were checking
|
will be checking
|
would be checking
|
s3 |
is checking
|
was checking
|
will be checking
|
would be checking
|
p1 |
are checking
|
were checking
|
will be checking
|
would be checking
|
p2 |
are checking
|
were checking
|
will be checking
|
would be checking
|
p3 |
are checking
|
were checking
|
will be checking
|
would be checking
|
present
|
past
|
future
|
conditional
|
|
---|---|---|---|---|
s1 |
have checked
|
had checked
|
will have checked
|
would have checked
|
s2 |
have checked
|
had checked
|
will have checked
|
would have checked
|
s3 |
has checked
|
had checked
|
will have checked
|
would have checked
|
p1 |
have checked
|
had checked
|
will have checked
|
would have checked
|
p2 |
have checked
|
had checked
|
will have checked
|
would have checked
|
p3 |
have checked
|
had checked
|
will have checked
|
would have checked
|
affirmative
|
negative
|
|
---|---|---|
s1 |
-
|
-
|
s2 |
check
|
don't check
|
s3 |
check
|
don't check
|
p1 |
check
|
don't check
|
p2 |
check
|
don't check
|
p3 |
check
|
don't check
|