Passive vioce

He understands the lesson


Present tense

He understands the lesson 
The lesson is understands by him.

Past tense.

He understood the lesson
The lesson was understood by him.

Present progessive

He is understanding the lesson
The lesson is being understood by him.

Past progressive

He was understanding the lesson
The lesson was being understood by him.

Future (will)

He will understand the lesson

The lesson will be understood by him.

Future (be going to)

He is going to understand the lesson

The lesson is going to be understood by him.

Present perfect

He has understood the lesson

The lesson ihas been understood by him.

Past perfect

He had understood the lesson

The lesson had been understood by him.

Modal verbs

He can understand the lesson

The lesson can be understood by him.

He must understand the lesson

The lesson must be understood by him.

Questions words

Correction orations

                                 

They must make their double bed slowly at university for a year

How must they make their double bed at university for a year?

They made their double bed slowly at university yesterday.

Where did they make their double bed slowly yesterday?

They are going to make their double bed slowly at university next week.

When are they going to make their double bed slowly at university?

They have made their double bed slowly at university since 2010

Gabo wrote one hundred of magical stories patiently in Colombia and Mexico for decades.

Who wrote one hundred of magical stories patiently in Colombia and Mexico for decades?

Gabo writes one hundred of magical stories  patiently in Colombia and Mexico today.

How does Gabo write one hundred of magical stories in Colombia and Mexico today?

Gabo was writing one hundred of magical stories patiently in Colombia and Mexico yesterday.

Where was Gabo writing one hundred of magical stories patiently yesterday?

Gabo has written one hundred of magical stories patiently in Colombia and Mexico since 2003.

 How long has Gabo written one hundred of magical stories  patiently in Colombia and Mexico?

Gabo is going to write one hundred of magical stories patiently in Colombia and Mexico next year.

When is Gabo going to write one hundred of magical stories patiently in Colombia and Mexico?