Question

All of the following alternatives are examples of the present perfect simple tense, EXCEPT:
a) have become
b) have more than tripled.
c) have to tell
d) have doubled.
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Answer 1

Olá!

O Present Perfect Simple é formado por:

Verbo auxiliar to have (have/has) conjugado no Simple Present + o Past Participle do verbo principal.

a) have become  ---> condiz com a estrutura.

b) have more than tripled.  ---> condiz com a estrutura.

c) have to tell  ---> NÃO condiz com a estrutura.

d) have doubled. ---> condiz com a estrutura.

Portanto, a resposta é a letra C.