ESERCIZIO NUM: 2299 - CATEGORIA: verbi > present-perfect - DIFFICOLTA': ****
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Quiz sul PRESENT PERFECT, rispondi ad ogni domanda scegliendo una delle risposte elencate:

Which verb forms are used with the Present Perfect? had, had had, has, has had oppure have had / What are typical signal words for the Present Perfect? already, at the moment, ever, just, last night, usually, yet / Which verb forms are used with the Present Perfect? had + past participle, has + past participle, have + infinitive, have + past participle