present
|
past
|
future
|
conditional
|
|
---|---|---|---|---|
s1 |
drill
|
drilled
|
will drill
|
would drill
|
s2 |
drill
|
drilled
|
will drill
|
would drill
|
s3 |
drills
|
drilled
|
will drill
|
would drill
|
p1 |
drill
|
drilled
|
will drill
|
would drill
|
p2 |
drill
|
drilled
|
will drill
|
would drill
|
p3 |
drill
|
drilled
|
will drill
|
would drill
|
present
|
past
|
future
|
conditional
|
|
---|---|---|---|---|
s1 |
am drilling
|
was drilling
|
will be drilling
|
would be drilling
|
s2 |
are drilling
|
were drilling
|
will be drilling
|
would be drilling
|
s3 |
is drilling
|
was drilling
|
will be drilling
|
would be drilling
|
p1 |
are drilling
|
were drilling
|
will be drilling
|
would be drilling
|
p2 |
are drilling
|
were drilling
|
will be drilling
|
would be drilling
|
p3 |
are drilling
|
were drilling
|
will be drilling
|
would be drilling
|
present
|
past
|
future
|
conditional
|
|
---|---|---|---|---|
s1 |
have drilled
|
had drilled
|
will have drilled
|
would have drilled
|
s2 |
have drilled
|
had drilled
|
will have drilled
|
would have drilled
|
s3 |
has drilled
|
had drilled
|
will have drilled
|
would have drilled
|
p1 |
have drilled
|
had drilled
|
will have drilled
|
would have drilled
|
p2 |
have drilled
|
had drilled
|
will have drilled
|
would have drilled
|
p3 |
have drilled
|
had drilled
|
will have drilled
|
would have drilled
|
affirmative
|
negative
|
|
---|---|---|
s1 |
-
|
-
|
s2 |
drill
|
don't drill
|
s3 |
drill
|
don't drill
|
p1 |
drill
|
don't drill
|
p2 |
drill
|
don't drill
|
p3 |
drill
|
don't drill
|