Identify the sentence in which the Present Perfect Tense
is being used with grammatical correctness:
a) Officials in China have reported the first human cases
of COVID-19 in Wuhan in December 2019.
b) When some of those kids turned 15, they have already
dropped out* of school.
*to drop(ped) out of: abandonar; desligar-se de.
c) A: Is Adam home?
B: No. He have just left for school.
d) They have been working as educators from 1990 to
2018, for 28 years to be exact.
e) In some emerging economies, 3 in 10 youths haven’t
been able to do simple arithmetic.
Ed
há 3 dias
Vamos analisar cada uma das alternativas para identificar qual delas utiliza o Present Perfect Tense de forma gramaticalmente correta: a) "Officials in China have reported the first human cases of COVID-19 in Wuhan in December 2019." - Esta frase está correta, mas o uso do Present Perfect não é apropriado para indicar um evento que ocorreu em um tempo específico no passado (dezembro de 2019). b) "When some of those kids turned 15, they have already dropped out of school." - Aqui, o uso do Present Perfect ("have dropped out") não é correto, pois a frase se refere a um momento específico no passado. c) "A: Is Adam home? B: No. He have just left for school." - Esta frase contém um erro gramatical, pois deveria ser "He has just left". d) "They have been working as educators from 1990 to 2018, for 28 years to be exact." - O uso do Present Perfect Continuous ("have been working") é incorreto aqui, pois a frase menciona um período específico que já terminou. e) "In some emerging economies, 3 in 10 youths haven’t been able to do simple arithmetic." - Esta frase está correta, pois o Present Perfect ("haven’t been able") é usado adequadamente para expressar uma experiência até o presente. Portanto, a alternativa correta é: e) In some emerging economies, 3 in 10 youths haven’t been able to do simple arithmetic.
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