Trying to find a job these days is no joke,I can tell you.中的Trying是现在分词还是动名词,为什么后面加不定式TO

Trying　这里是动名词作主语　　try　to　do　试图做，　尽力做

try to do sth ：这个to是连接两个动词的动词不定式.
在例句中trying to do sth 是上述结构的动名词形式,在例句中作主语,不是现在分词.
可以改成：it is no joke trying to find a job these days,i can tell you.