My father is reading a newspaper. He started 2 hours ago. -> My father has I haven't eaten this kind of food before -> It is It's ages since we met Lope -> We I haven't heard him since August -> The last time My father hasn't been to Vung Tau for 2 years -> The last time How long is it since they went to Nana? -> When

My father is reading a newspaper. He started 2 hours ago.

-> My father has been reading a newspaper for 2 hours 

I haven't eaten this kind of food before

-> It is the first time I've eaten this kind of food

It's ages since we met Lope

-> We haven't met Lope for ages

I haven't heard him since August

-> The last time I heard him was in August

My father hasn't been to Vung Tau for 2 years

-> The last time my father was to Vung Tau was 2 years ago

How long is it since they went to Nana?

-> When did they go to Nana?