can be & could be - used in sentence #shortsfeed #shortvideo #viralshort #shorts #englishtricks #bcs

english grammar,learn english,learn english grammar,basic english grammar,grammar,english,english grammar lesson,grammar english,english grammar lessons,english lesson,learning english grammar,tenses in english grammar,english vocabulary,english grammar tenses,english grammar quiz,oxford online english grammar,grammar lesson,grammar mistakes,tips to learn english grammar,learn grammar,tenses in english grammar with examples