to strengthen
Verbo regular: strengthen - strengthened- strengthened

Indicativo 	
Presente 	Presente contínuo 	Pretérito 	Preterito contínuo 	
I strengthen
you strengthen
she strengthens
we strengthen
you strengthen
they strengthen 	Iamstrengthening
youarestrengthening
sheisstrengthening
wearestrengthening
youarestrengthening
theyarestrengthening	I strengthened
you strengthened
she strengthened
we strengthened
you strengthened
they strengthened	Iwasstrengthening
youwerestrengthening
shewasstrengthening
wewerestrengthening
youwerestrengthening
theywerestrengthening	
Presente perfeito 	Presente perfeito contínuo 	Mais perfeito 	Contínuo mais perfeito 	
I have strengthened
you have strengthened
she has strengthened
we have strengthened
you have strengthened
they have strengthened	I have been strengthening
you have been strengthening
shehasbeen strengthening
we have been strengthening
you have been strengthening
they have been strengthening	I had strengthened
you had strengthened
she had strengthened
we had strengthened
you had strengthened
they had strengthened	I had been strengthening
you had been strengthening
she had been strengthening
we had been strengthening
you had been strengthening
they had been strengthening	
Futuro 	Futuro contínuo 	futuro perfeito 	futuro perfeito contínuo 	
I will strengthen
you will strengthen
she will strengthen
we will strengthen
you will strengthen
they will strengthen 	I will be strengthening
you will be strengthening
she will be strengthening
we will be strengthening
you will be strengthening
they will be strengthening	I will have strengthened
you will have strengthened
she will have strengthened
we will have strengthened
you will have strengthened
they will have strengthened	I will have been strengthening
you will have been strengthening
she will have been strengthening
we will have been strengthening
you will have been strengthening
they will have been strengthening	

Condicional 	
Presente 	Presente contínuo 	Passado 	Passado contínuo 	
I would strengthen
you would strengthen
she would strengthen
we would strengthen
you would strengthen
they would strengthen 	I would be strengthening
you would be strengthening
she would be strengthening
we would be strengthening
you would be strengthening
they would be strengthening	I would have strengthened
you would have strengthened
she would have strengthened
we would have strengthened
you would have strengthened
they would have strengthened	I would have been strengthening
you would have been strengthening
she would have been strengthening
we would have been strengthening
you would have been strengthening
they would have been strengthening	

Infinitivo 	
Imperativo 	
Infinitivo 	 	Imperativo 	 	
to strengthen 	 	strengthen
Let's strengthen
strengthen 	 	

Particípio 	
Presente 	Passado 	 	 	
strengthening	strengthened