present
|
past
|
future
|
conditional
|
|
---|---|---|---|---|
s1 |
head
|
headed
|
will head
|
would head
|
s2 |
head
|
headed
|
will head
|
would head
|
s3 |
heads
|
headed
|
will head
|
would head
|
p1 |
head
|
headed
|
will head
|
would head
|
p2 |
head
|
headed
|
will head
|
would head
|
p3 |
head
|
headed
|
will head
|
would head
|
present
|
past
|
future
|
conditional
|
|
---|---|---|---|---|
s1 |
am heading
|
was heading
|
will be heading
|
would be heading
|
s2 |
are heading
|
were heading
|
will be heading
|
would be heading
|
s3 |
is heading
|
was heading
|
will be heading
|
would be heading
|
p1 |
are heading
|
were heading
|
will be heading
|
would be heading
|
p2 |
are heading
|
were heading
|
will be heading
|
would be heading
|
p3 |
are heading
|
were heading
|
will be heading
|
would be heading
|
present
|
past
|
future
|
conditional
|
|
---|---|---|---|---|
s1 |
have headed
|
had headed
|
will have headed
|
would have headed
|
s2 |
have headed
|
had headed
|
will have headed
|
would have headed
|
s3 |
has headed
|
had headed
|
will have headed
|
would have headed
|
p1 |
have headed
|
had headed
|
will have headed
|
would have headed
|
p2 |
have headed
|
had headed
|
will have headed
|
would have headed
|
p3 |
have headed
|
had headed
|
will have headed
|
would have headed
|
affirmative
|
negative
|
|
---|---|---|
s1 |
-
|
-
|
s2 |
head
|
don't head
|
s3 |
head
|
don't head
|
p1 |
head
|
don't head
|
p2 |
head
|
don't head
|
p3 |
head
|
don't head
|