Решение:
Вставляем нужную форму глагола 'know' в зависимости от подлежащего.
- I know a lot of poems.
- He knows a lot of poems.
- My mum knows a lot of poems.
- Her friend knows a lot of poems.
- We know a lot of poems.
- Our teacher knows a lot of poems.
- Granny knows a lot of poems.
- Girls know a lot of poems.
- My son knows a lot of poems.
- They know a lot of poems.