Supply the present perfect tense of the verbs given
australia many times. (go)

They have gone to australia many times

They go to Australia many times. 
verbos terminados em: {o, sh, ch, x, s, z}, quando for he/she/it, acrescenta-se o ES. ex: Filipe (he) goes to Curitiba today. Para os outros fica normal. 
Verbos terminados em ''y'' : Study, corta o y e acrescenta-se ''ies'', quando for antecedido de consoante (he/she/it- afirmativo), ex: Studies. ''y'' antecedido de vogal, acrescenta-se o ''s''. Ex: Plays.

They have gone to Australia many times.

They have gones to Australia many times

Iwas teaching english
she was crying a lot
you were cooking
it was barking
we were sleeping
you were singing a beautiful song
they were working in the restaurant
i was dreaming about the film
she was kissing bruce
they were buying some things
we were watching tv

Ilove you, aline ♥ espero ter ajudado : )