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used up
3) Pass to negative form in Present Perfect: (0.3/1.2)
a) I have been tired.
b) Leo has played guitar.
c) I and Julie have sung.
d) They have cooked.​


Resposta :

Resposta:

a) I haven't been tired

b) Leo hasn't played guitar

c) I and Julie haven't sung

d) They haven't cooked