When can I use 起来 to say "to begin"?
If there is an object, it should be inserted between 起来
我也学习英语起来 --&gt; 我也学习起英语来

[(v) + (起来)] = [(start) + (v)]


e.g. &quot;他忽然笑(起来)&quot; -- &quot;he suddenly start laughing&quot;

~

[v + (起) + object + (来)] = [(start) + v + object]


e.g. &quot;他学起英语来&quot; -- &quot;He started to learn English&quot;

~

[(v) + (起来) + statement] = [(upon/ when) + (v) + statement]


e.g. &quot;他笑起来很恐怖&quot; - &quot;He is scary when he laughs&quot;