must rain
Verbo regolare: rain - rained- rained

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
-
-
it must rain
-
-
- 	-
-
it must be raining
-
-
- 	-
-
it must have rained
-
-
- 	-
-
it must have been raining
-
-
- 	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
-
-
it mustn't rain
-
-
- 	-
-
it mustn't be raining
-
-
- 	-
-
it mustn't have rained
-
-
- 	-
-
it mustn't have been raining
-
-
- 	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
-
-
must it rain?
-
-
- 	-
-
must it be raining?
-
-
- 	-
-
must it have rained?
-
-
- 	-
-
must it have been raining?
-
-
- 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
-
-
mustn't it rain?
-
-
- 	-
-
mustn't it be raining?
-
-
- 	-
-
mustn't it have rained?
-
-
- 	-
-
mustn't it have been raining?
-
-
-