Zaid Alsalami, Shaykh Dr Zaid Alsalami is an Iraqi born scholar, raised in Australia. He obtained a BA from Al-Mustafa University, Qom, and an MA from the Islamic College in London. He also obtained a PhD from... Answered 3 weeks ago
Bismihi ta'ala
Of course you can attend a Sunni mosque, and pray there, but no, you cannot pray according to their method. You must pray according to the Shi'ah method, which means with your hands to your side, prostrating on something from the earth, etc.
If you are in fear of your life, then that is another situation.
And Allah knows best