是强调句,意为“他的确有车”,这是因为它强调谓语动词
谓语动词的强调
1、It is/ was ...that ...结构不能强调谓语,如果需要强调谓语时,用助动词do/ does或did.
e.g.Do sit down.务必请坐.
He did write to you last week.上周他确实给你写了信.
Do be careful when you cross the street.过马路时,务必（千万）要小心啊!
2、注意：此种强调只用do/ does和did ,没有别的形式；过去时用did ,后面的谓语动词用原形.