I don't know how I can learn English.(改为简单句）I don't know _______ ________ learn English.

I don't know how I can learn English.(改为简单句）I don't know _______ ________ learn English.
Simon must enjoy himself in China.（改为同义句）Simon must _______ ________ in China.
Yao Ming is good at playing basketball.(改为同义句) Yao Ming _______ ________ ________ playing basketball.