Farewell for surgeon who saved twins

I came across this news in The New Zealand Herald which I subscribe to in my blog line account. It is about twin girls who were joined at the lower spine and pelvis and who are as healthy as normal 3-year-old children after a successful operation in separating them. David Clews, who performed a crucial part of the 22-hour operation at Waikato Hospital in 2004, died last week aged just 48. It is sad.

There are a lot of past simple verbs and present simple Verbs, but only few future verbs in the article.

For example:
past simple verbs: "who successfully separated conjoined twins... " It is a past action which has already finished.

present simple verb :"There are no words we can find that ..." it is an action which happens instantaneously at the moment of speaking.

future verbs: "they will still need some surgery ....." It is an action which plans to do in the future.