从去年以来，他一直在学中文。
cóng qùnián yǐlái ， tā yīzhí zài xué zhōngwén 。
He's been learning Chinese since last year.
从上个月以来，天气一直很好。
cóng shàng gè yuè yǐlái ， tiānqì yīzhí hěn hǎo 。
The weather has been good since last month.
从搬家以来，我还没见过邻居。
cóng bānjiā yǐlái ， wǒ hái méi jiàn guo línjū 。
I haven't met the neighbours since moving in.