what will happen in 1000000000000000000000000000000 years

happenhappen 1. ()sth.+ happen +/ The story happened in

What happenWhat's happening 1.What happenWhat's happening - Do you know what happened today? (.

happen to happen to : sb. + happen + to doI.

"happen""happen to" "happen""happen to" .

what happenwhat happened 1.what happenhappenwhat happenedhappenhappened.

happen to What happened to you? It happens to everybody. The same thing happened to John and his family last week. Please make sure this.

Bem, ao meu ver, "what would it happen" agramatical - no est gramaticalmente correta em nenhuma hiptese. O verbo " happen " intranstivo, ou seja, no aceita objeto direto.

happen happenHappenhappensth. is happened.

happen [hpn] [hpn] vi. happened happened happening happens .

happen on happen to 1happen on 2happen to 1happen onhappen.