when did Alan Lam start singing?
係問過去既野..用past tense..
上2位答"to singing"..
記住to同-ing係冇可能1齊xD
to後面好easy..
用bear infinitive
條問題可以改做when did alan lam start to sing?
問題不大:]
since意思係自從...
He started singing since 1975.
用 started因為係past tense
佢而家以經冇再唱.
如果係仲唱緊就要用has been singing...:]