Afirmativo – Presente 

I Understand

You Understand

He / She / It Understands

We Understand

You Understand

They Understand

 

Afirmativo – Passado 

I Understood

You Understood

He / She / It Understood

We Understood

You Understood

They Understood

 

Afirmativo – Futuro

I will Understand

You Will Understand

He / She / It Will Understand

We will Understand

You will Understand

They will Understand

 

Negativo – Presente 

I don’t understand

You don’t understand

He / she / it doesn’t understand

we don’t understand

You don’t understand

They don’t understand

 

Negativo – Passado

I didn’t understand

You didn’t understand

He / she / it didn’t understand

we didn’t understand

You didn’t understand

They didn’t understand

 

Negativo – Futuro

I Won’t understand

You won’t understand

He / she / it won’t understand

we won’t understand

You won’t understand

They won’t understand

 

Interrogativa – Presente 

Do I understand ?

Do you understand ?

Does He / She / It understand ?

Do we understand ?

Do you understand ?

Do They understand ?

 

Interrogativa – Passado

Did I understand ?

Did you understand ?

Did He / She / It understand ?

Did we understand ?

Did you understand ?

Did They understand ?

 

Interrogativa – Passado

Will I understand ?

Will you understand ?

Will He / She / It understand ?

Will we understand ?

Will you understand ?

Will They understand ?