造成.的原因是.用英语怎么说

用because

例句:

I

didn't

go

to

school

because

I

was

sick.

我没去上学因为(原因是)我病了

用because

of

后面要直接加名词

I

didnt

go

to

school

because

of

illness.

同上

用the

reason

The

reason

why

I

didn't

go

to

school

is

that

I

was

sick.

同上

还有挺多用法的

就不一一列举了