问题描述：
请帮我看看这篇英语作文是否有语法的错误,如有请指出,
My Favourite Festival
My favourite festival is Mid-Autumn Fesitival.It usually comes in August or September.On that day,I often have a big dinner with my family members.After dinner ,we go out to watch the moon.Sometimes we use a telescope to watchu it .On that day,we are not only watch the moon but have barbecue as well.I really enjoy myself at Mid-Autumn Festival.
My Favourite Festival
My favourite festival is Mid-Autumn Fesitival.It usually comes in August or September.On that day,I often have a big dinner with my family members.After dinner ,we go out to watch the moon.Sometimes we use a telescope to watchu it .On that day,we are not only watch the moon but have barbecue as well.I really enjoy myself at Mid-Autumn Festival.
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