the habit，of 后面加名词吗

后面加名词或动名词，例如：

1、I'm trying to break the habit of staying up too late.我正试图改掉熬夜的习惯。

2、I've got into the habit of turning on the TV as soon as I get home.我习惯了一回家就打开电视。

3、I'm not in the habit of letting strangers into my apartment.我不习惯让陌生人进我家。