I would be happy if I could go.

要是我能去，我就高兴了。

youdao

He asked if I could go to the movie with him tonight.

他问我今晚能不能和他一起去看电影。

youdao

She wanted to know if I could go shopping with her tonight.

她想知道我今晚能不能和她一起去购物。

youdao

"You are feeling hopeless. If I was in Haiti when that happened, when the earthquake happened, I could go and help somebody that's injured.

VOA: special.2010.02.01

If I could go anywhere, I love travelling so much,

我热爱旅行，如果我可以去任何地方的话，

在美国旅游的经验 - SpeakingMax英语口语达人

If I had taken as my interpolation scheme, my white curve here, I could go to infinity and have the equivalent of absolute zero being at infinity, minus infinity.

要注意，如果我们采用，像图中白线这样的插值方案的话,我就可以一直降温下去,相应的绝对零度点。

麻省理工公开课 - 热力学与动力学课程节选

"If I could go back to being a scientist, I would do it, " he says.

FORBES: Careers

Maybe not right now ... (but) if I could go back to that time and say, 'OK, you're trading my story for a six-month suspension?

NPR: Armstrong Turns Emotional In 2nd Part Of Interview

And if I could go back to the first point here -- Republicans say their goal is to reduce the deficit and to reduce spending.

WHITEHOUSE: Press Briefing by Press Secretary Jay Carney,