Warning: file_put_contents(/www/wwwroot/ppbbbu/5356789.com/cache/7dd6338c3e6b7dd8c03900281e467d55.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/5356789.com/index.php on line 55 modal auxiliary verbs例句_modal auxiliary verbs英汉例句_modal auxiliary verbs双解例句_零六五六深蓝词典
They also have the knowledge that English modal verbs should be placed on the left of the negator and at the beginning of the interrogatives. 这说明受试具有英语定式句中题元动词不能显性提升而情态助动词必须显性提升的句法知识。