can achieve
Regular verb: achieve - achieved- achieved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can achieve
you can achieve
he can achieve
we can achieve
you can achieve
they can achieve 	I can be achieving
you can be achieving
he can be achieving
we can be achieving
you can be achieving
they can be achieving	I can have achieved
you can have achieved
he can have achieved
we can have achieved
you can have achieved
they can have achieved	I can have been achieving
you can have been achieving
he can have been achieving
we can have been achieving
you can have been achieving
they can have been achieving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't achieve
you can't achieve
he can't achieve
we can't achieve
you can't achieve
they can't achieve 	I can't be achieving
you can't be achieving
he can't be achieving
we can't be achieving
you can't be achieving
they can't be achieving	I can't have achieved
you can't have achieved
he can't have achieved
we can't have achieved
you can't have achieved
they can't have achieved	I can't have been achieving
you can't have been achieving
he can't have been achieving
we can't have been achieving
you can't have been achieving
they can't have been achieving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I achieve?
can you achieve?
can he achieve?
can we achieve?
can you achieve?
can they achieve? 	can I be achieving?
can you be achieving?
can he be achieving?
can we be achieving?
can you be achieving?
can they be achieving? 	can I have achieved?
can you have achieved?
can he have achieved?
can we have achieved?
can you have achieved?
can they have achieved? 	can I have been achieving?
can you have been achieving?
can he have been achieving?
can we have been achieving?
can you have been achieving?
can they have been achieving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I achieve?
can't you achieve?
can't he achieve?
can't we achieve?
can't you achieve?
can't they achieve? 	can't I be achieving?
can't you be achieving?
can't he be achieving?
can't we be achieving?
can't you be achieving?
can't they be achieving? 	can't I have achieved?
can't you have achieved?
can't he have achieved?
can't we have achieved?
can't you have achieved?
can't they have achieved? 	can't I have been achieving?
can't you have been achieving?
can't he have been achieving?
can't we have been achieving?
can't you have been achieving?
can't they have been achieving?