present
|
past
|
future
|
conditional
|
|
---|---|---|---|---|
s1 |
strengthen
|
strengthened
|
will strengthen
|
would strengthen
|
s2 |
strengthen
|
strengthened
|
will strengthen
|
would strengthen
|
s3 |
strengthens
|
strengthened
|
will strengthen
|
would strengthen
|
p1 |
strengthen
|
strengthened
|
will strengthen
|
would strengthen
|
p2 |
strengthen
|
strengthened
|
will strengthen
|
would strengthen
|
p3 |
strengthen
|
strengthened
|
will strengthen
|
would strengthen
|
present
|
past
|
future
|
conditional
|
|
---|---|---|---|---|
s1 |
am strengthening
|
was strengthening
|
will be strengthening
|
would be strengthening
|
s2 |
are strengthening
|
were strengthening
|
will be strengthening
|
would be strengthening
|
s3 |
is strengthening
|
was strengthening
|
will be strengthening
|
would be strengthening
|
p1 |
are strengthening
|
were strengthening
|
will be strengthening
|
would be strengthening
|
p2 |
are strengthening
|
were strengthening
|
will be strengthening
|
would be strengthening
|
p3 |
are strengthening
|
were strengthening
|
will be strengthening
|
would be strengthening
|
present
|
past
|
future
|
conditional
|
|
---|---|---|---|---|
s1 |
have strengthened
|
had strengthened
|
will have strengthened
|
would have strengthened
|
s2 |
have strengthened
|
had strengthened
|
will have strengthened
|
would have strengthened
|
s3 |
has strengthened
|
had strengthened
|
will have strengthened
|
would have strengthened
|
p1 |
have strengthened
|
had strengthened
|
will have strengthened
|
would have strengthened
|
p2 |
have strengthened
|
had strengthened
|
will have strengthened
|
would have strengthened
|
p3 |
have strengthened
|
had strengthened
|
will have strengthened
|
would have strengthened
|
affirmative
|
negative
|
|
---|---|---|
s1 |
-
|
-
|
s2 |
strengthen
|
don't strengthen
|
s3 |
strengthen
|
don't strengthen
|
p1 |
strengthen
|
don't strengthen
|
p2 |
strengthen
|
don't strengthen
|
p3 |
strengthen
|
don't strengthen
|