present
|
past
|
future
|
conditional
|
|
---|---|---|---|---|
s1 |
sustain
|
sustained
|
will sustain
|
would sustain
|
s2 |
sustain
|
sustained
|
will sustain
|
would sustain
|
s3 |
sustains
|
sustained
|
will sustain
|
would sustain
|
p1 |
sustain
|
sustained
|
will sustain
|
would sustain
|
p2 |
sustain
|
sustained
|
will sustain
|
would sustain
|
p3 |
sustain
|
sustained
|
will sustain
|
would sustain
|
present
|
past
|
future
|
conditional
|
|
---|---|---|---|---|
s1 |
am sustaining
|
was sustaining
|
will be sustaining
|
would be sustaining
|
s2 |
are sustaining
|
were sustaining
|
will be sustaining
|
would be sustaining
|
s3 |
is sustaining
|
was sustaining
|
will be sustaining
|
would be sustaining
|
p1 |
are sustaining
|
were sustaining
|
will be sustaining
|
would be sustaining
|
p2 |
are sustaining
|
were sustaining
|
will be sustaining
|
would be sustaining
|
p3 |
are sustaining
|
were sustaining
|
will be sustaining
|
would be sustaining
|
present
|
past
|
future
|
conditional
|
|
---|---|---|---|---|
s1 |
have sustained
|
had sustained
|
will have sustained
|
would have sustained
|
s2 |
have sustained
|
had sustained
|
will have sustained
|
would have sustained
|
s3 |
has sustained
|
had sustained
|
will have sustained
|
would have sustained
|
p1 |
have sustained
|
had sustained
|
will have sustained
|
would have sustained
|
p2 |
have sustained
|
had sustained
|
will have sustained
|
would have sustained
|
p3 |
have sustained
|
had sustained
|
will have sustained
|
would have sustained
|
affirmative
|
negative
|
|
---|---|---|
s1 |
-
|
-
|
s2 |
sustain
|
don't sustain
|
s3 |
sustain
|
don't sustain
|
p1 |
sustain
|
don't sustain
|
p2 |
sustain
|
don't sustain
|
p3 |
sustain
|
don't sustain
|