I ought to photosynthesise you ought to photosynthesise she ought to photosynthesise we ought to photosynthesise you ought to photosynthesise they ought to photosynthesise
V-ing form
I ought to be photosynthesising you ought to be photosynthesising she ought to be photosynthesising we ought to be photosynthesising you ought to be photosynthesising they ought to be photosynthesising
Perfect
I ought to have photosynthesised you ought to have photosynthesised she ought to have photosynthesised we ought to have photosynthesised you ought to have photosynthesised they ought to have photosynthesised
V-ing perfect
I ought to have been photosynthesising you ought to have been photosynthesising she ought to have been photosynthesising we ought to have been photosynthesising you ought to have been photosynthesising they ought to have been photosynthesising
Negation
Simple form
I oughtn't to photosynthesise you oughtn't to photosynthesise she oughtn't to photosynthesise we oughtn't to photosynthesise you oughtn't to photosynthesise they oughtn't to photosynthesise
V-ing form
I oughtn't to be photosynthesising you oughtn't to be photosynthesising she oughtn't to be photosynthesising we oughtn't to be photosynthesising you oughtn't to be photosynthesising they oughtn't to be photosynthesising
Perfect
I oughtn't to have photosynthesised you oughtn't to have photosynthesised she oughtn't to have photosynthesised we oughtn't to have photosynthesised you oughtn't to have photosynthesised they oughtn't to have photosynthesised
V-ing perfect
I oughtn't to have been photosynthesising you oughtn't to have been photosynthesising she oughtn't to have been photosynthesising we oughtn't to have been photosynthesising you oughtn't to have been photosynthesising they oughtn't to have been photosynthesising
Interrogative form
Simple form
ought to I photosynthesise? ought to you photosynthesise? ought to she photosynthesise? ought to we photosynthesise? ought to you photosynthesise? ought to they photosynthesise?
V-ing form
ought to I be photosynthesising? ought to you be photosynthesising? ought to she be photosynthesising? ought to we be photosynthesising? ought to you be photosynthesising? ought to they be photosynthesising?
Perfect
ought to I have photosynthesised? ought to you have photosynthesised? ought to she have photosynthesised? ought to we have photosynthesised? ought to you have photosynthesised? ought to they have photosynthesised?
V-ing perfect
ought to I have been photosynthesising? ought to you have been photosynthesising? ought to she have been photosynthesising? ought to we have been photosynthesising? ought to you have been photosynthesising? ought to they have been photosynthesising?
Interro-negative form
Simple form
oughtn't I to photosynthesise? oughtn't you to photosynthesise? oughtn't she to photosynthesise? oughtn't we to photosynthesise? oughtn't you to photosynthesise? oughtn't they to photosynthesise?
V-ing form
oughtn't I to be photosynthesising? oughtn't you to be photosynthesising? oughtn't she to be photosynthesising? oughtn't we to be photosynthesising? oughtn't you to be photosynthesising? oughtn't they to be photosynthesising?
Perfect
oughtn't I to have photosynthesised? oughtn't you to have photosynthesised? oughtn't she to have photosynthesised? oughtn't we to have photosynthesised? oughtn't you to have photosynthesised? oughtn't they to have photosynthesised?
V-ing perfect
oughtn't I to have been photosynthesising? oughtn't you to have been photosynthesising? oughtn't she to have been photosynthesising? oughtn't we to have been photosynthesising? oughtn't you to have been photosynthesising? oughtn't they to have been photosynthesising?