(1+2 s/p, 3p)
The dogs did bark. / The dogs barked.
The dogs do bark./ The dogs bark.
The dogs will bark.
The dogs would bark.
The dogs were barking.
The dogs are barking.
The dogs will be barking.
The dogs would be barking.
The dogs had barked.
The dogs have barked.
The dogs will barked.
The dogs would have barked.
The dogs had been barking.
The dogs have been barking .
The dogs will have been barking.
The dogs would have been barking.
(3s)
The dog did bark. / The dog barked.
The dog does bark./ The dog barks.
The dog will bark.
The dog would bark.
The dog was barking.
The dog is barking.
The dog will be barking.
The dog would be barking.
The dog had barked.
The dog has barked.
The dog will barked.
The dog would have barked.
The dog had been barking.
The dog has been barking .
The dog will have been barking.
The dog would have been barking.
why past perfect is important.
EXAMPLE of need for past perfecf:
i saw my coworker on tuesday and he had the virus. / he had had the virus
